diff --git a/README.md b/README.md
index 54a1aa3..da44af2 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ Click an image for the full size. See the [screenshot gallery](docs/images/scree
 ## Requirements
 
 - phpBB 3.3.19 or later, including phpBB 4.0
-- PHP 7.4 or later (phpBB 4.0 itself needs PHP 8.2 or later)
+- PHP 8.3.36 or later
 
 ## Installation
 
diff --git a/composer.json b/composer.json
index 5889bfc..0908bbb 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,7 @@
 		}
 	],
 	"require": {
-		"php": ">=7.4",
+		"php": ">=8.3.36",
 		"phpbb/phpbb": ">=3.3.19,<4.1.0@dev",
 		"composer/installers": "^1.0 || ^2.0"
 	},