diff --git a/composer.json b/composer.json
index dad99fd8f..1dc63177f 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
     "amphp/http-server": "^2.1",
     "dms/phpunit-arraysubset-asserts": "dev-master",
     "ergebnis/composer-normalize": "^2.28",
-    "friendsofphp/php-cs-fixer": "3.64.0",
+    "friendsofphp/php-cs-fixer": "3.65.0",
     "mll-lab/php-cs-fixer-config": "^5.9.2",
     "nyholm/psr7": "^1.5",
     "phpbench/phpbench": "^1.2",