diff --git a/package.json b/package.json
index 8af6ed1dd..c1256d6d8 100644
--- a/package.json
+++ b/package.json
@@ -164,7 +164,7 @@
     "optimize-css-assets-webpack-plugin": "5.0.4",
     "path-browserify": "^1.0.1",
     "pnp-webpack-plugin": "1.6.4",
-    "postcss": "^8.4.49",
+    "postcss": "^8.5.10",
     "postcss-flexbugs-fixes": "5.0.2",
     "postcss-loader": "4.3.0",
     "postcss-normalize": "10.0.1",
diff --git a/yarn.lock b/yarn.lock
index e46256f8e..3d8544a17 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4281,7 +4281,7 @@ __metadata:
     path-browserify: "npm:^1.0.1"
     plotly.js: "npm:^3.3.1"
     pnp-webpack-plugin: "npm:1.6.4"
-    postcss: "npm:^8.4.49"
+    postcss: "npm:^8.5.10"
     postcss-flexbugs-fixes: "npm:5.0.2"
     postcss-loader: "npm:4.3.0"
     postcss-normalize: "npm:10.0.1"
@@ -19520,7 +19520,18 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss@npm:^8.4.49, postcss@npm:^8.5.6":
+"postcss@npm:^8.5.10":
+  version: 8.5.12
+  resolution: "postcss@npm:8.5.12"
+  dependencies:
+    nanoid: "npm:^3.3.11"
+    picocolors: "npm:^1.1.1"
+    source-map-js: "npm:^1.2.1"
+  checksum: 10/ec6b79b68c363eca3c8ffceb134a4ab637274aee6ac0857614bf7c18d40ce4ce5f9036edec57b7e0be99895724d2599d0ec7328dbd7f407204e7548697b322f1
+  languageName: node
+  linkType: hard
+
+"postcss@npm:^8.5.6":
   version: 8.5.8
   resolution: "postcss@npm:8.5.8"
   dependencies: