diff --git a/cli/csstools-cli/package.json b/cli/csstools-cli/package.json
index cf15489c0..311a710ad 100644
--- a/cli/csstools-cli/package.json
+++ b/cli/csstools-cli/package.json
@@ -65,7 +65,7 @@
 		"css-blank-pseudo": "^8.0.2",
 		"css-has-pseudo": "^8.0.1",
 		"css-prefers-color-scheme": "^11.0.1",
-		"postcss": "^8.5.10",
+		"postcss": "^8.5.23",
 		"postcss-attribute-case-insensitive": "^8.0.0",
 		"postcss-color-functional-notation": "^8.0.7",
 		"postcss-color-hex-alpha": "^11.0.0",
diff --git a/experimental/css-has-pseudo/package.json b/experimental/css-has-pseudo/package.json
index 75d5211bf..20171104a 100644
--- a/experimental/css-has-pseudo/package.json
+++ b/experimental/css-has-pseudo/package.json
@@ -39,7 +39,7 @@
 		"dist"
 	],
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/experimental/postcss-gradient-stop-increments/package.json b/experimental/postcss-gradient-stop-increments/package.json
index 8f847b407..6f5cf99bb 100644
--- a/experimental/postcss-gradient-stop-increments/package.json
+++ b/experimental/postcss-gradient-stop-increments/package.json
@@ -46,7 +46,7 @@
 		"@csstools/css-tokenizer": "^4.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/experimental/postcss-nesting/package.json b/experimental/postcss-nesting/package.json
index 3d45244da..8b770f8d8 100644
--- a/experimental/postcss-nesting/package.json
+++ b/experimental/postcss-nesting/package.json
@@ -32,7 +32,7 @@
 		"postcss-selector-parser": "^7.1.1"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/package-lock.json b/package-lock.json
index d287c7ab5..39a257d47 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -88,7 +88,7 @@
 				"css-blank-pseudo": "^8.0.2",
 				"css-has-pseudo": "^8.0.1",
 				"css-prefers-color-scheme": "^11.0.1",
-				"postcss": "^8.5.10",
+				"postcss": "^8.5.23",
 				"postcss-attribute-case-insensitive": "^8.0.0",
 				"postcss-color-functional-notation": "^8.0.7",
 				"postcss-color-hex-alpha": "^11.0.0",
@@ -142,7 +142,7 @@
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 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
 		},
 		"experimental/postcss-gradient-stop-increments": {
@@ -171,7 +171,7 @@
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 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
 		},
 		"experimental/postcss-nesting": {
@@ -198,7 +198,7 @@
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 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
 		},
 		"node_modules/@babel/code-frame": {
@@ -6348,9 +6348,9 @@
 			}
 		},
 		"node_modules/postcss": {
-			"version": "8.5.22",
-			"resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.22.tgz",
-			"integrity": "sha512-KBDEIpLrvpv16pp3K0Fw+UCoZfopFjjgeB+0tA/aaThfEE74kKDLrgg603YvOWJyg3+WYtyq3xYsQWsIyZlPqQ==",
+			"version": "8.5.23",
+			"resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.23.tgz",
+			"integrity": "sha512-g50586zr4bZmwFiTlflMu8E0bDTb5I5gertgwAKmsdUlTQIhZtunzUlD1WSzwcVWPoAVpsrA6vlfCD7oXvRwgg==",
 			"funding": [
 				{
 					"type": "opencollective",
@@ -8049,7 +8049,7 @@
 				"node": ">=20.19.0"
 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
 		},
 		"packages/cascade-layer-name-parser": {
@@ -8178,7 +8178,7 @@
 			"devDependencies": {
 				"@webref/css": "^8.7.1",
 				"css-tree": "^3.2.1",
-				"postcss": "^8.5"
+				"postcss": "^8.5.23"
 			},
 			"peerDependencies": {
 				"css-tree": "^3.2.1"
@@ -8205,7 +8205,7 @@
 			"license": "MIT",
 			"devDependencies": {
 				"@rmenke/css-tokenizer-tests": "^1.2.0",
-				"postcss": "^8.5.10",
+				"postcss": "^8.5.23",
 				"postcss-parser-tests": "^8.8.0"
 			},
 			"engines": {
@@ -8288,7 +8288,7 @@
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 			"license": "MIT-0",
 			"dependencies": {
-				"postcss": "^8.5.10",
+				"postcss": "^8.5.23",
 				"postcss-8.4": "npm:postcss@~8.4"
 			},
 			"engines": {
@@ -8358,7 +8358,7 @@
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 			"license": "MIT-0",
 			"devDependencies": {
-				"postcss": "^8.5.10"
+				"postcss": "^8.5.23"
 			},
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@@ -8396,7 +8396,7 @@
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 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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@@ -8499,7 +8499,7 @@
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 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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 		"plugins-stylelint/at-risk": {
@@ -8569,7 +8569,7 @@
 			"license": "MIT-0",
 			"devDependencies": {
 				"@csstools/pack-test": "^2.0.1",
-				"postcss": "^8.5.10",
+				"postcss": "^8.5.23",
 				"stylelint": "^17.13.0",
 				"stylelint-test-rule-node": "^1.2.0"
 			},
@@ -8635,7 +8635,7 @@
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 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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@@ -8668,7 +8668,7 @@
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 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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@@ -8692,7 +8692,7 @@
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 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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@@ -8723,7 +8723,7 @@
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 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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 		"plugins/postcss-attribute-case-insensitive": {
@@ -8749,7 +8749,7 @@
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 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
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 		"plugins/postcss-base-plugin": {
@@ -8773,7 +8773,7 @@
 				"node": ">=20.19.0"
 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
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 		"plugins/postcss-browser-comments": {
@@ -8798,7 +8798,7 @@
 			},
 			"peerDependencies": {
 				"browserslist": "^4.28.1",
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
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 		"plugins/postcss-cascade-layers": {
@@ -8828,7 +8828,7 @@
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 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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 		"plugins/postcss-color-function": {
@@ -8860,7 +8860,7 @@
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 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
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 		"plugins/postcss-color-function-display-p3-linear": {
@@ -8891,7 +8891,7 @@
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 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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 		"plugins/postcss-color-functional-notation": {
@@ -8921,7 +8921,7 @@
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 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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 		"plugins/postcss-color-hex-alpha": {
@@ -8948,7 +8948,7 @@
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 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
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 		"plugins/postcss-color-mix-function": {
@@ -8979,7 +8979,7 @@
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 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
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 		"plugins/postcss-color-mix-variadic-function-arguments": {
@@ -9010,7 +9010,7 @@
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 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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 		"plugins/postcss-color-rebeccapurple": {
@@ -9037,7 +9037,7 @@
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 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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 		"plugins/postcss-conditional-values": {
@@ -9062,7 +9062,7 @@
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 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
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 		"plugins/postcss-container-rule-prelude-list": {
@@ -9090,7 +9090,7 @@
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 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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 		"plugins/postcss-content-alt-text": {
@@ -9120,7 +9120,7 @@
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 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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 		"plugins/postcss-contrast-color-function": {
@@ -9151,7 +9151,7 @@
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 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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 		"plugins/postcss-custom-media": {
@@ -9180,7 +9180,7 @@
 				"node": ">=20.19.0"
 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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 		"plugins/postcss-custom-properties": {
@@ -9211,7 +9211,7 @@
 				"node": ">=20.19.0"
 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
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 		"plugins/postcss-custom-selectors": {
@@ -9240,7 +9240,7 @@
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 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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 		"plugins/postcss-debug-logger": {
@@ -9264,7 +9264,7 @@
 				"node": ">=20.19.0"
 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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 		"plugins/postcss-design-tokens": {
@@ -9295,7 +9295,7 @@
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 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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 		"plugins/postcss-dir-pseudo-class": {
@@ -9321,7 +9321,7 @@
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 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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@@ -9349,7 +9349,7 @@
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 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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@@ -9375,7 +9375,7 @@
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 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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@@ -9404,7 +9404,7 @@
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 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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@@ -9431,7 +9431,7 @@
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-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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@@ -9458,7 +9458,7 @@
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 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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@@ -9485,7 +9485,7 @@
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 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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@@ -9513,7 +9513,7 @@
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-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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@@ -9540,7 +9540,7 @@
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-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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@@ -9569,7 +9569,7 @@
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-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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@@ -9592,7 +9592,7 @@
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-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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@@ -9619,7 +9619,7 @@
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-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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@@ -9650,7 +9650,7 @@
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-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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@@ -9681,7 +9681,7 @@
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-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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@@ -9710,7 +9710,7 @@
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-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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@@ -9740,7 +9740,7 @@
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 			},
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-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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@@ -9767,7 +9767,7 @@
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+				"postcss": "^8.5.23"
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@@ -9791,7 +9791,7 @@
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-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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@@ -9820,7 +9820,7 @@
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+				"postcss": "^8.5.23"
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@@ -9850,7 +9850,7 @@
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+				"postcss": "^8.5.23"
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@@ -9882,7 +9882,7 @@
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@@ -9908,7 +9908,7 @@
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+				"postcss": "^8.5.23"
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@@ -9932,7 +9932,7 @@
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@@ -9956,7 +9956,7 @@
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@@ -9980,7 +9980,7 @@
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@@ -10007,7 +10007,7 @@
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@@ -10035,7 +10035,7 @@
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@@ -10066,7 +10066,7 @@
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@@ -10095,7 +10095,7 @@
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+				"postcss": "^8.5.23"
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@@ -10122,7 +10122,7 @@
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-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
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 		},
 		"plugins/postcss-mixins": {
@@ -10150,7 +10150,7 @@
 				"node": ">=20.19.0"
 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
 		},
 		"plugins/postcss-nested-calc": {
@@ -10178,7 +10178,7 @@
 				"node": ">=20.19.0"
 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
 		},
 		"plugins/postcss-nesting": {
@@ -10207,7 +10207,7 @@
 				"node": ">=20.19.0"
 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
 		},
 		"plugins/postcss-normalize-display-values": {
@@ -10234,7 +10234,7 @@
 				"node": ">=20.19.0"
 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
 		},
 		"plugins/postcss-oklab-function": {
@@ -10265,7 +10265,7 @@
 				"node": ">=20.19.0"
 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
 		},
 		"plugins/postcss-overflow-shorthand": {
@@ -10291,7 +10291,7 @@
 				"node": ">=20.19.0"
 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
 		},
 		"plugins/postcss-place": {
@@ -10317,7 +10317,7 @@
 				"node": ">=20.19.0"
 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
 		},
 		"plugins/postcss-position-area-property": {
@@ -10341,7 +10341,7 @@
 				"node": ">=20.19.0"
 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
 		},
 		"plugins/postcss-progressive-custom-properties": {
@@ -10369,7 +10369,7 @@
 				"node": ">=20.19.0"
 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
 		},
 		"plugins/postcss-property-rule-prelude-list": {
@@ -10397,7 +10397,7 @@
 				"node": ">=20.19.0"
 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
 		},
 		"plugins/postcss-pseudo-class-any-link": {
@@ -10423,7 +10423,7 @@
 				"node": ">=20.19.0"
 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
 		},
 		"plugins/postcss-random-function": {
@@ -10452,7 +10452,7 @@
 				"node": ">=20.19.0"
 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
 		},
 		"plugins/postcss-rebase-url": {
@@ -10481,7 +10481,7 @@
 				"node": ">=20.19.0"
 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
 		},
 		"plugins/postcss-relative-color-syntax": {
@@ -10512,7 +10512,7 @@
 				"node": ">=20.19.0"
 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
 		},
 		"plugins/postcss-rewrite-url": {
@@ -10540,7 +10540,7 @@
 				"node": ">=20.19.0"
 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
 		},
 		"plugins/postcss-scope-pseudo-class": {
@@ -10567,7 +10567,7 @@
 				"node": ">=20.19.0"
 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
 		},
 		"plugins/postcss-selector-not": {
@@ -10593,7 +10593,7 @@
 				"node": ">=20.19.0"
 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
 		},
 		"plugins/postcss-sign-functions": {
@@ -10622,7 +10622,7 @@
 				"node": ">=20.19.0"
 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
 		},
 		"plugins/postcss-slow-plugins": {
@@ -10646,7 +10646,7 @@
 				"node": ">=20.19.0"
 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
 		},
 		"plugins/postcss-stepped-value-functions": {
@@ -10675,7 +10675,7 @@
 				"node": ">=20.19.0"
 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
 		},
 		"plugins/postcss-syntax-descriptor-syntax-production": {
@@ -10702,7 +10702,7 @@
 				"node": ">=20.19.0"
 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
 		},
 		"plugins/postcss-system-ui-font-family": {
@@ -10730,7 +10730,7 @@
 				"node": ">=20.19.0"
 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
 		},
 		"plugins/postcss-text-decoration-shorthand": {
@@ -10759,7 +10759,7 @@
 				"node": ">=20.19.0"
 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
 		},
 		"plugins/postcss-todo-or-die": {
@@ -10788,7 +10788,7 @@
 				"node": ">=20.19.0"
 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
 		},
 		"plugins/postcss-trigonometric-functions": {
@@ -10817,7 +10817,7 @@
 				"node": ">=20.19.0"
 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
 		},
 		"plugins/postcss-unset-value": {
@@ -10841,7 +10841,7 @@
 				"node": ">=20.19.0"
 			},
 			"peerDependencies": {
-				"postcss": "^8.4"
+				"postcss": "^8.5.23"
 			}
 		}
 	}
diff --git a/packages/base-cli/package.json b/packages/base-cli/package.json
index 41a75b0a9..0a88c1c95 100644
--- a/packages/base-cli/package.json
+++ b/packages/base-cli/package.json
@@ -26,7 +26,7 @@
 		}
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"scripts": {
 		"prebuild": "node -e \"fs.rmSync('./dist', { recursive: true, force: true }); fs.mkdirSync('./dist');\"",
diff --git a/packages/css-syntax-patches-for-csstree/package.json b/packages/css-syntax-patches-for-csstree/package.json
index 34210f1e5..a636d4b58 100644
--- a/packages/css-syntax-patches-for-csstree/package.json
+++ b/packages/css-syntax-patches-for-csstree/package.json
@@ -43,7 +43,7 @@
 	"devDependencies": {
 		"@webref/css": "^8.7.1",
 		"css-tree": "^3.2.1",
-		"postcss": "^8.5"
+		"postcss": "^8.5.23"
 	},
 	"scripts": {
 		"build": "node --stack-trace-limit=1000 ./scripts/index.mjs",
diff --git a/packages/css-tokenizer/package.json b/packages/css-tokenizer/package.json
index 6321a1a33..0db49d887 100644
--- a/packages/css-tokenizer/package.json
+++ b/packages/css-tokenizer/package.json
@@ -42,7 +42,7 @@
 	],
 	"devDependencies": {
 		"@rmenke/css-tokenizer-tests": "^1.2.0",
-		"postcss": "^8.5.10",
+		"postcss": "^8.5.23",
 		"postcss-parser-tests": "^8.8.0"
 	},
 	"scripts": {
diff --git a/packages/postcss-tape/package.json b/packages/postcss-tape/package.json
index 5a08a4d56..bca8e4665 100644
--- a/packages/postcss-tape/package.json
+++ b/packages/postcss-tape/package.json
@@ -42,7 +42,7 @@
 		"dist"
 	],
 	"dependencies": {
-		"postcss": "^8.5.10",
+		"postcss": "^8.5.23",
 		"postcss-8.4": "npm:postcss@~8.4"
 	},
 	"scripts": {
diff --git a/packages/utilities/package.json b/packages/utilities/package.json
index 7138594df..50894ad88 100644
--- a/packages/utilities/package.json
+++ b/packages/utilities/package.json
@@ -44,7 +44,7 @@
 		"postcss": "^8.4"
 	},
 	"devDependencies": {
-		"postcss": "^8.5.10"
+		"postcss": "^8.5.23"
 	},
 	"scripts": {
 		"build": "rollup -c ../../rollup/default.mjs",
diff --git a/plugin-packs/postcss-bundler/package.json b/plugin-packs/postcss-bundler/package.json
index 6a451c44e..e4c9f3ed7 100644
--- a/plugin-packs/postcss-bundler/package.json
+++ b/plugin-packs/postcss-bundler/package.json
@@ -46,7 +46,7 @@
 		"@csstools/postcss-rebase-url": "^3.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*",
diff --git a/plugin-packs/postcss-preset-env/package.json b/plugin-packs/postcss-preset-env/package.json
index 7dde20ecf..4f1c1834d 100644
--- a/plugin-packs/postcss-preset-env/package.json
+++ b/plugin-packs/postcss-preset-env/package.json
@@ -122,7 +122,7 @@
 		"postcss-selector-not": "^9.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/pack-test": "*",
diff --git a/plugins-stylelint/no-at-nest-rule/package.json b/plugins-stylelint/no-at-nest-rule/package.json
index 64a0c1e7f..f085bfadd 100644
--- a/plugins-stylelint/no-at-nest-rule/package.json
+++ b/plugins-stylelint/no-at-nest-rule/package.json
@@ -44,7 +44,7 @@
 	},
 	"devDependencies": {
 		"@csstools/pack-test": "^2.0.1",
-		"postcss": "^8.5.10",
+		"postcss": "^8.5.23",
 		"stylelint": "^17.13.0",
 		"stylelint-test-rule-node": "^1.2.0"
 	},
diff --git a/plugins/css-blank-pseudo/package.json b/plugins/css-blank-pseudo/package.json
index 11f90f980..3a61dc528 100644
--- a/plugins/css-blank-pseudo/package.json
+++ b/plugins/css-blank-pseudo/package.json
@@ -56,7 +56,7 @@
 		"postcss-selector-parser": "^7.1.1"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*",
diff --git a/plugins/css-has-pseudo/package.json b/plugins/css-has-pseudo/package.json
index 65d2af251..ba5e73319 100644
--- a/plugins/css-has-pseudo/package.json
+++ b/plugins/css-has-pseudo/package.json
@@ -58,7 +58,7 @@
 		"postcss-value-parser": "^4.2.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*",
diff --git a/plugins/css-prefers-color-scheme/package.json b/plugins/css-prefers-color-scheme/package.json
index 42aaf81fd..f59a99d5c 100644
--- a/plugins/css-prefers-color-scheme/package.json
+++ b/plugins/css-prefers-color-scheme/package.json
@@ -53,7 +53,7 @@
 		"dist"
 	],
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*",
diff --git a/plugins/postcss-alpha-function/package.json b/plugins/postcss-alpha-function/package.json
index a8724a812..2e8403b0d 100644
--- a/plugins/postcss-alpha-function/package.json
+++ b/plugins/postcss-alpha-function/package.json
@@ -43,7 +43,7 @@
 		"@csstools/utilities": "^3.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-attribute-case-insensitive/package.json b/plugins/postcss-attribute-case-insensitive/package.json
index 2f6c5fed8..97edfed77 100644
--- a/plugins/postcss-attribute-case-insensitive/package.json
+++ b/plugins/postcss-attribute-case-insensitive/package.json
@@ -47,7 +47,7 @@
 		"postcss-selector-parser": "^7.1.1"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-base-plugin/package.json b/plugins/postcss-base-plugin/package.json
index 471d9529f..d7e16ab4b 100644
--- a/plugins/postcss-base-plugin/package.json
+++ b/plugins/postcss-base-plugin/package.json
@@ -42,7 +42,7 @@
 		"dist"
 	],
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-browser-comments/package.json b/plugins/postcss-browser-comments/package.json
index e6b146ec4..fff5d4442 100644
--- a/plugins/postcss-browser-comments/package.json
+++ b/plugins/postcss-browser-comments/package.json
@@ -46,7 +46,7 @@
 	],
 	"peerDependencies": {
 		"browserslist": "^4.28.1",
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*",
diff --git a/plugins/postcss-cascade-layers/package.json b/plugins/postcss-cascade-layers/package.json
index 689d1d960..14d80baa1 100644
--- a/plugins/postcss-cascade-layers/package.json
+++ b/plugins/postcss-cascade-layers/package.json
@@ -53,7 +53,7 @@
 		"postcss-selector-parser": "^7.1.1"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-bundler": "*",
diff --git a/plugins/postcss-color-function-display-p3-linear/package.json b/plugins/postcss-color-function-display-p3-linear/package.json
index ad467b3ef..a103f9d29 100644
--- a/plugins/postcss-color-function-display-p3-linear/package.json
+++ b/plugins/postcss-color-function-display-p3-linear/package.json
@@ -43,7 +43,7 @@
 		"@csstools/utilities": "^3.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-color-function/package.json b/plugins/postcss-color-function/package.json
index 93d4fb497..4f7fa7c51 100644
--- a/plugins/postcss-color-function/package.json
+++ b/plugins/postcss-color-function/package.json
@@ -38,7 +38,7 @@
 		"@csstools/utilities": "^3.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*",
diff --git a/plugins/postcss-color-functional-notation/package.json b/plugins/postcss-color-functional-notation/package.json
index e4fd47267..fc5a39bb8 100644
--- a/plugins/postcss-color-functional-notation/package.json
+++ b/plugins/postcss-color-functional-notation/package.json
@@ -38,7 +38,7 @@
 		"@csstools/utilities": "^3.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-color-hex-alpha/package.json b/plugins/postcss-color-hex-alpha/package.json
index ddc677d8f..6445229b0 100644
--- a/plugins/postcss-color-hex-alpha/package.json
+++ b/plugins/postcss-color-hex-alpha/package.json
@@ -52,7 +52,7 @@
 		"postcss-value-parser": "^4.2.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-color-mix-function/package.json b/plugins/postcss-color-mix-function/package.json
index fc5bb2d95..c61fcf5b2 100644
--- a/plugins/postcss-color-mix-function/package.json
+++ b/plugins/postcss-color-mix-function/package.json
@@ -48,7 +48,7 @@
 		"@csstools/utilities": "^3.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-color-mix-variadic-function-arguments/package.json b/plugins/postcss-color-mix-variadic-function-arguments/package.json
index 1a5252110..318159879 100644
--- a/plugins/postcss-color-mix-variadic-function-arguments/package.json
+++ b/plugins/postcss-color-mix-variadic-function-arguments/package.json
@@ -48,7 +48,7 @@
 		"@csstools/utilities": "^3.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-color-rebeccapurple/package.json b/plugins/postcss-color-rebeccapurple/package.json
index 795d41873..7198fa1ee 100644
--- a/plugins/postcss-color-rebeccapurple/package.json
+++ b/plugins/postcss-color-rebeccapurple/package.json
@@ -52,7 +52,7 @@
 		"postcss-value-parser": "^4.2.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-conditional-values/package.json b/plugins/postcss-conditional-values/package.json
index 9bde52d39..cd77e4662 100644
--- a/plugins/postcss-conditional-values/package.json
+++ b/plugins/postcss-conditional-values/package.json
@@ -41,7 +41,7 @@
 		"dist"
 	],
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*",
diff --git a/plugins/postcss-container-rule-prelude-list/package.json b/plugins/postcss-container-rule-prelude-list/package.json
index b278cc58f..15029d4d0 100644
--- a/plugins/postcss-container-rule-prelude-list/package.json
+++ b/plugins/postcss-container-rule-prelude-list/package.json
@@ -45,7 +45,7 @@
 		"@csstools/css-tokenizer": "^4.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-content-alt-text/package.json b/plugins/postcss-content-alt-text/package.json
index 76778dc2d..b3695e48d 100644
--- a/plugins/postcss-content-alt-text/package.json
+++ b/plugins/postcss-content-alt-text/package.json
@@ -47,7 +47,7 @@
 		"@csstools/utilities": "^3.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-contrast-color-function/package.json b/plugins/postcss-contrast-color-function/package.json
index f85652461..23bc96328 100644
--- a/plugins/postcss-contrast-color-function/package.json
+++ b/plugins/postcss-contrast-color-function/package.json
@@ -48,7 +48,7 @@
 		"@csstools/utilities": "^3.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-custom-media/package.json b/plugins/postcss-custom-media/package.json
index d667de2e7..33eb5f030 100644
--- a/plugins/postcss-custom-media/package.json
+++ b/plugins/postcss-custom-media/package.json
@@ -54,7 +54,7 @@
 		"@csstools/media-query-list-parser": "^5.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-custom-properties/package.json b/plugins/postcss-custom-properties/package.json
index b6b37fc16..d1dac3e20 100644
--- a/plugins/postcss-custom-properties/package.json
+++ b/plugins/postcss-custom-properties/package.json
@@ -42,7 +42,7 @@
 		"postcss-value-parser": "^4.2.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-bundler": "*",
diff --git a/plugins/postcss-custom-selectors/package.json b/plugins/postcss-custom-selectors/package.json
index aacb60c31..44103bb39 100644
--- a/plugins/postcss-custom-selectors/package.json
+++ b/plugins/postcss-custom-selectors/package.json
@@ -57,7 +57,7 @@
 		"postcss-selector-parser": "^7.1.1"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-debug-logger/package.json b/plugins/postcss-debug-logger/package.json
index e468f3187..15ce0b939 100644
--- a/plugins/postcss-debug-logger/package.json
+++ b/plugins/postcss-debug-logger/package.json
@@ -41,7 +41,7 @@
 		"dist"
 	],
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-design-tokens/package.json b/plugins/postcss-design-tokens/package.json
index 99cefd077..0cac49e87 100644
--- a/plugins/postcss-design-tokens/package.json
+++ b/plugins/postcss-design-tokens/package.json
@@ -46,7 +46,7 @@
 		"postcss-value-parser": "^4.2.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-bundler": "*",
diff --git a/plugins/postcss-dir-pseudo-class/package.json b/plugins/postcss-dir-pseudo-class/package.json
index 8a75f75ce..6dca687e6 100644
--- a/plugins/postcss-dir-pseudo-class/package.json
+++ b/plugins/postcss-dir-pseudo-class/package.json
@@ -48,7 +48,7 @@
 		"postcss-selector-parser": "^7.1.1"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-double-position-gradients/package.json b/plugins/postcss-double-position-gradients/package.json
index 07761a757..0eac058b4 100644
--- a/plugins/postcss-double-position-gradients/package.json
+++ b/plugins/postcss-double-position-gradients/package.json
@@ -36,7 +36,7 @@
 		"postcss-value-parser": "^4.2.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-env-function/package.json b/plugins/postcss-env-function/package.json
index f0f23ac82..43dbd8e41 100644
--- a/plugins/postcss-env-function/package.json
+++ b/plugins/postcss-env-function/package.json
@@ -32,7 +32,7 @@
 		"postcss-value-parser": "^4.2.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-exponential-functions/package.json b/plugins/postcss-exponential-functions/package.json
index e29f50a11..44c546887 100644
--- a/plugins/postcss-exponential-functions/package.json
+++ b/plugins/postcss-exponential-functions/package.json
@@ -46,7 +46,7 @@
 		"@csstools/css-tokenizer": "^4.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-extract/package.json b/plugins/postcss-extract/package.json
index 2938dc396..5eaeccd24 100644
--- a/plugins/postcss-extract/package.json
+++ b/plugins/postcss-extract/package.json
@@ -44,7 +44,7 @@
 		"postcss-selector-parser": "^7.1.1"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-focus-visible/package.json b/plugins/postcss-focus-visible/package.json
index d86f7a717..be1ecf726 100644
--- a/plugins/postcss-focus-visible/package.json
+++ b/plugins/postcss-focus-visible/package.json
@@ -44,7 +44,7 @@
 		"postcss-selector-parser": "^7.1.1"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*",
diff --git a/plugins/postcss-focus-within/package.json b/plugins/postcss-focus-within/package.json
index 42c2adad2..6631c19ae 100644
--- a/plugins/postcss-focus-within/package.json
+++ b/plugins/postcss-focus-within/package.json
@@ -56,7 +56,7 @@
 		"postcss-selector-parser": "^7.1.1"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*",
diff --git a/plugins/postcss-font-format-keywords/package.json b/plugins/postcss-font-format-keywords/package.json
index 77c313acd..8f1fec47d 100644
--- a/plugins/postcss-font-format-keywords/package.json
+++ b/plugins/postcss-font-format-keywords/package.json
@@ -35,7 +35,7 @@
 		"postcss-value-parser": "^4.2.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-font-width-property/package.json b/plugins/postcss-font-width-property/package.json
index 4f81cb1ff..8df4607e2 100644
--- a/plugins/postcss-font-width-property/package.json
+++ b/plugins/postcss-font-width-property/package.json
@@ -44,7 +44,7 @@
 		"@csstools/utilities": "^3.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-gamut-mapping/package.json b/plugins/postcss-gamut-mapping/package.json
index 12112acb0..8af2c3222 100644
--- a/plugins/postcss-gamut-mapping/package.json
+++ b/plugins/postcss-gamut-mapping/package.json
@@ -46,7 +46,7 @@
 		"@csstools/css-tokenizer": "^4.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-gap-properties/package.json b/plugins/postcss-gap-properties/package.json
index 8a2fc91ea..26eacc2fc 100644
--- a/plugins/postcss-gap-properties/package.json
+++ b/plugins/postcss-gap-properties/package.json
@@ -45,7 +45,7 @@
 		"dist"
 	],
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-global-data/package.json b/plugins/postcss-global-data/package.json
index 8d82905ff..0b7c22ba8 100644
--- a/plugins/postcss-global-data/package.json
+++ b/plugins/postcss-global-data/package.json
@@ -41,7 +41,7 @@
 		"dist"
 	],
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*",
diff --git a/plugins/postcss-gradients-interpolation-method/package.json b/plugins/postcss-gradients-interpolation-method/package.json
index 0c0784495..ee1c7ff8d 100644
--- a/plugins/postcss-gradients-interpolation-method/package.json
+++ b/plugins/postcss-gradients-interpolation-method/package.json
@@ -38,7 +38,7 @@
 		"@csstools/utilities": "^3.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-hwb-function/package.json b/plugins/postcss-hwb-function/package.json
index e3a4e5f94..b93ca467a 100644
--- a/plugins/postcss-hwb-function/package.json
+++ b/plugins/postcss-hwb-function/package.json
@@ -48,7 +48,7 @@
 		"@csstools/utilities": "^3.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-ic-unit/package.json b/plugins/postcss-ic-unit/package.json
index e47cc0b97..c6dc6bdde 100644
--- a/plugins/postcss-ic-unit/package.json
+++ b/plugins/postcss-ic-unit/package.json
@@ -36,7 +36,7 @@
 		"postcss-value-parser": "^4.2.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-image-function/package.json b/plugins/postcss-image-function/package.json
index b7591912a..ce241ec76 100644
--- a/plugins/postcss-image-function/package.json
+++ b/plugins/postcss-image-function/package.json
@@ -47,7 +47,7 @@
 		"@csstools/utilities": "^3.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-image-set-function/package.json b/plugins/postcss-image-set-function/package.json
index 2c7190015..92acc6476 100644
--- a/plugins/postcss-image-set-function/package.json
+++ b/plugins/postcss-image-set-function/package.json
@@ -35,7 +35,7 @@
 		"postcss-value-parser": "^4.2.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-initial/package.json b/plugins/postcss-initial/package.json
index e47faaccd..da00c6513 100644
--- a/plugins/postcss-initial/package.json
+++ b/plugins/postcss-initial/package.json
@@ -41,7 +41,7 @@
 		"dist"
 	],
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-is-pseudo-class/package.json b/plugins/postcss-is-pseudo-class/package.json
index 9d6fa836d..543e1d092 100644
--- a/plugins/postcss-is-pseudo-class/package.json
+++ b/plugins/postcss-is-pseudo-class/package.json
@@ -35,7 +35,7 @@
 		"postcss-selector-parser": "^7.1.1"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*",
diff --git a/plugins/postcss-lab-function/package.json b/plugins/postcss-lab-function/package.json
index 60f126ed7..4830abd9a 100644
--- a/plugins/postcss-lab-function/package.json
+++ b/plugins/postcss-lab-function/package.json
@@ -38,7 +38,7 @@
 		"@csstools/utilities": "^3.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-light-dark-function/package.json b/plugins/postcss-light-dark-function/package.json
index 2a8f2960e..dddd97e7d 100644
--- a/plugins/postcss-light-dark-function/package.json
+++ b/plugins/postcss-light-dark-function/package.json
@@ -47,7 +47,7 @@
 		"@csstools/utilities": "^3.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*",
diff --git a/plugins/postcss-logical-float-and-clear/package.json b/plugins/postcss-logical-float-and-clear/package.json
index 4d2deec6a..81346675f 100644
--- a/plugins/postcss-logical-float-and-clear/package.json
+++ b/plugins/postcss-logical-float-and-clear/package.json
@@ -41,7 +41,7 @@
 		"dist"
 	],
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-logical-overflow/package.json b/plugins/postcss-logical-overflow/package.json
index d8eba4e04..f2129ea35 100644
--- a/plugins/postcss-logical-overflow/package.json
+++ b/plugins/postcss-logical-overflow/package.json
@@ -41,7 +41,7 @@
 		"dist"
 	],
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-logical-overscroll-behavior/package.json b/plugins/postcss-logical-overscroll-behavior/package.json
index 36e84bdc9..188dd65f9 100644
--- a/plugins/postcss-logical-overscroll-behavior/package.json
+++ b/plugins/postcss-logical-overscroll-behavior/package.json
@@ -41,7 +41,7 @@
 		"dist"
 	],
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-logical-resize/package.json b/plugins/postcss-logical-resize/package.json
index 68666b472..663d354b4 100644
--- a/plugins/postcss-logical-resize/package.json
+++ b/plugins/postcss-logical-resize/package.json
@@ -44,7 +44,7 @@
 		"postcss-value-parser": "^4.2.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-logical-viewport-units/package.json b/plugins/postcss-logical-viewport-units/package.json
index ae5a5f2ed..d94613084 100644
--- a/plugins/postcss-logical-viewport-units/package.json
+++ b/plugins/postcss-logical-viewport-units/package.json
@@ -45,7 +45,7 @@
 		"@csstools/utilities": "^3.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-logical/package.json b/plugins/postcss-logical/package.json
index 15806d26a..cac10d396 100644
--- a/plugins/postcss-logical/package.json
+++ b/plugins/postcss-logical/package.json
@@ -48,7 +48,7 @@
 		"postcss-value-parser": "^4.2.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-media-minmax/package.json b/plugins/postcss-media-minmax/package.json
index 478d2eafb..db9f1968f 100644
--- a/plugins/postcss-media-minmax/package.json
+++ b/plugins/postcss-media-minmax/package.json
@@ -50,7 +50,7 @@
 		"@csstools/media-query-list-parser": "^5.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*",
diff --git a/plugins/postcss-media-queries-aspect-ratio-number-values/package.json b/plugins/postcss-media-queries-aspect-ratio-number-values/package.json
index d34713c0e..bb24d416f 100644
--- a/plugins/postcss-media-queries-aspect-ratio-number-values/package.json
+++ b/plugins/postcss-media-queries-aspect-ratio-number-values/package.json
@@ -46,7 +46,7 @@
 		"@csstools/media-query-list-parser": "^5.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-minify/package.json b/plugins/postcss-minify/package.json
index d47f84eec..6ffb00b47 100644
--- a/plugins/postcss-minify/package.json
+++ b/plugins/postcss-minify/package.json
@@ -44,7 +44,7 @@
 		"@csstools/css-tokenizer": "^4.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-mixins/package.json b/plugins/postcss-mixins/package.json
index c26f881af..6ee09c449 100644
--- a/plugins/postcss-mixins/package.json
+++ b/plugins/postcss-mixins/package.json
@@ -45,7 +45,7 @@
 		"@csstools/css-tokenizer": "^4.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-nested-calc/package.json b/plugins/postcss-nested-calc/package.json
index 2fabe2a28..bd1678bfd 100644
--- a/plugins/postcss-nested-calc/package.json
+++ b/plugins/postcss-nested-calc/package.json
@@ -45,7 +45,7 @@
 		"postcss-value-parser": "^4.2.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-nesting/package.json b/plugins/postcss-nesting/package.json
index b8145ba03..1e859c39a 100644
--- a/plugins/postcss-nesting/package.json
+++ b/plugins/postcss-nesting/package.json
@@ -52,7 +52,7 @@
 		"postcss-selector-parser": "^7.1.1"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*",
diff --git a/plugins/postcss-normalize-display-values/package.json b/plugins/postcss-normalize-display-values/package.json
index 865c224d1..70468a80b 100644
--- a/plugins/postcss-normalize-display-values/package.json
+++ b/plugins/postcss-normalize-display-values/package.json
@@ -34,7 +34,7 @@
 		"postcss-value-parser": "^4.2.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-oklab-function/package.json b/plugins/postcss-oklab-function/package.json
index cbf2afca7..c09f51aa3 100644
--- a/plugins/postcss-oklab-function/package.json
+++ b/plugins/postcss-oklab-function/package.json
@@ -38,7 +38,7 @@
 		"@csstools/utilities": "^3.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-overflow-shorthand/package.json b/plugins/postcss-overflow-shorthand/package.json
index 107acaaaf..1b26586ac 100644
--- a/plugins/postcss-overflow-shorthand/package.json
+++ b/plugins/postcss-overflow-shorthand/package.json
@@ -48,7 +48,7 @@
 		"postcss-value-parser": "^4.2.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-place/package.json b/plugins/postcss-place/package.json
index d01417d6a..9fbb25d65 100644
--- a/plugins/postcss-place/package.json
+++ b/plugins/postcss-place/package.json
@@ -48,7 +48,7 @@
 		"postcss-value-parser": "^4.2.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-position-area-property/package.json b/plugins/postcss-position-area-property/package.json
index 3432ad1a9..fd9ab3954 100644
--- a/plugins/postcss-position-area-property/package.json
+++ b/plugins/postcss-position-area-property/package.json
@@ -41,7 +41,7 @@
 		"dist"
 	],
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-progressive-custom-properties/package.json b/plugins/postcss-progressive-custom-properties/package.json
index 1f2de8751..3d76e5d0d 100644
--- a/plugins/postcss-progressive-custom-properties/package.json
+++ b/plugins/postcss-progressive-custom-properties/package.json
@@ -34,7 +34,7 @@
 		"postcss-value-parser": "^4.2.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*",
diff --git a/plugins/postcss-property-rule-prelude-list/package.json b/plugins/postcss-property-rule-prelude-list/package.json
index 7f5cb7fa7..53745cf6d 100644
--- a/plugins/postcss-property-rule-prelude-list/package.json
+++ b/plugins/postcss-property-rule-prelude-list/package.json
@@ -45,7 +45,7 @@
 		"@csstools/css-tokenizer": "^4.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-pseudo-class-any-link/package.json b/plugins/postcss-pseudo-class-any-link/package.json
index a26c8e3a4..7d87eb646 100644
--- a/plugins/postcss-pseudo-class-any-link/package.json
+++ b/plugins/postcss-pseudo-class-any-link/package.json
@@ -48,7 +48,7 @@
 		"postcss-selector-parser": "^7.1.1"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-random-function/package.json b/plugins/postcss-random-function/package.json
index 4395b8fa8..f9920a09d 100644
--- a/plugins/postcss-random-function/package.json
+++ b/plugins/postcss-random-function/package.json
@@ -46,7 +46,7 @@
 		"@csstools/css-tokenizer": "^4.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-rebase-url/package.json b/plugins/postcss-rebase-url/package.json
index 45cf50f75..d00af8a6a 100644
--- a/plugins/postcss-rebase-url/package.json
+++ b/plugins/postcss-rebase-url/package.json
@@ -45,7 +45,7 @@
 		"@csstools/css-tokenizer": "^4.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*",
diff --git a/plugins/postcss-relative-color-syntax/package.json b/plugins/postcss-relative-color-syntax/package.json
index 8dd721a98..6d83becde 100644
--- a/plugins/postcss-relative-color-syntax/package.json
+++ b/plugins/postcss-relative-color-syntax/package.json
@@ -48,7 +48,7 @@
 		"@csstools/utilities": "^3.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-rewrite-url/package.json b/plugins/postcss-rewrite-url/package.json
index 5826dc1c3..91c543932 100644
--- a/plugins/postcss-rewrite-url/package.json
+++ b/plugins/postcss-rewrite-url/package.json
@@ -45,7 +45,7 @@
 		"@csstools/css-tokenizer": "^4.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-scope-pseudo-class/package.json b/plugins/postcss-scope-pseudo-class/package.json
index 0400bf0ea..6cc98b736 100644
--- a/plugins/postcss-scope-pseudo-class/package.json
+++ b/plugins/postcss-scope-pseudo-class/package.json
@@ -44,7 +44,7 @@
 		"postcss-selector-parser": "^7.1.1"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-selector-not/package.json b/plugins/postcss-selector-not/package.json
index 48a911d7b..bf7db6f5e 100644
--- a/plugins/postcss-selector-not/package.json
+++ b/plugins/postcss-selector-not/package.json
@@ -47,7 +47,7 @@
 		"postcss-selector-parser": "^7.1.1"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-sign-functions/package.json b/plugins/postcss-sign-functions/package.json
index 831b8630a..87220f822 100644
--- a/plugins/postcss-sign-functions/package.json
+++ b/plugins/postcss-sign-functions/package.json
@@ -46,7 +46,7 @@
 		"@csstools/css-tokenizer": "^4.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-slow-plugins/package.json b/plugins/postcss-slow-plugins/package.json
index 47dbff6f6..3c0507f23 100644
--- a/plugins/postcss-slow-plugins/package.json
+++ b/plugins/postcss-slow-plugins/package.json
@@ -41,7 +41,7 @@
 		"dist"
 	],
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-stepped-value-functions/package.json b/plugins/postcss-stepped-value-functions/package.json
index 07e8a9069..b7e52277f 100644
--- a/plugins/postcss-stepped-value-functions/package.json
+++ b/plugins/postcss-stepped-value-functions/package.json
@@ -46,7 +46,7 @@
 		"@csstools/css-tokenizer": "^4.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-syntax-descriptor-syntax-production/package.json b/plugins/postcss-syntax-descriptor-syntax-production/package.json
index bcbf74182..2ec89ebd1 100644
--- a/plugins/postcss-syntax-descriptor-syntax-production/package.json
+++ b/plugins/postcss-syntax-descriptor-syntax-production/package.json
@@ -44,7 +44,7 @@
 		"@csstools/css-tokenizer": "^4.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-system-ui-font-family/package.json b/plugins/postcss-system-ui-font-family/package.json
index 9449cf14f..487bdffcf 100644
--- a/plugins/postcss-system-ui-font-family/package.json
+++ b/plugins/postcss-system-ui-font-family/package.json
@@ -45,7 +45,7 @@
 		"@csstools/css-tokenizer": "^4.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-text-decoration-shorthand/package.json b/plugins/postcss-text-decoration-shorthand/package.json
index 83a25822f..df147a832 100644
--- a/plugins/postcss-text-decoration-shorthand/package.json
+++ b/plugins/postcss-text-decoration-shorthand/package.json
@@ -45,7 +45,7 @@
 		"postcss-value-parser": "^4.2.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*",
diff --git a/plugins/postcss-todo-or-die/package.json b/plugins/postcss-todo-or-die/package.json
index 85c5d31b0..480041f60 100644
--- a/plugins/postcss-todo-or-die/package.json
+++ b/plugins/postcss-todo-or-die/package.json
@@ -46,7 +46,7 @@
 		"browserslist": "^4.28.1"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-trigonometric-functions/package.json b/plugins/postcss-trigonometric-functions/package.json
index efbca92bf..1f60bb6ab 100644
--- a/plugins/postcss-trigonometric-functions/package.json
+++ b/plugins/postcss-trigonometric-functions/package.json
@@ -46,7 +46,7 @@
 		"@csstools/css-tokenizer": "^4.0.0"
 	},
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"
diff --git a/plugins/postcss-unset-value/package.json b/plugins/postcss-unset-value/package.json
index bf26badcc..0598c98ce 100644
--- a/plugins/postcss-unset-value/package.json
+++ b/plugins/postcss-unset-value/package.json
@@ -41,7 +41,7 @@
 		"dist"
 	],
 	"peerDependencies": {
-		"postcss": "^8.4"
+		"postcss": "^8.5.23"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*"