diff --git a/tools/php-cs-fixer/composer.json b/tools/php-cs-fixer/composer.json
index 289ddb4..31a9b43 100644
--- a/tools/php-cs-fixer/composer.json
+++ b/tools/php-cs-fixer/composer.json
@@ -6,7 +6,7 @@
         "php": ">=7.4"
     },
     "require-dev": {
-        "friendsofphp/php-cs-fixer": "3.65.0",
+        "friendsofphp/php-cs-fixer": "3.66.0",
         "roave/security-advisories": "dev-latest"
     },
     "prefer-stable": true,