diff --git a/composer.json b/composer.json
index 956af7b..b11ccfb 100644
--- a/composer.json
+++ b/composer.json
@@ -35,6 +35,6 @@
         "php": ">=5.2"
     },
     "require-dev": {
-        "friendsofphp/php-cs-fixer": "1.11.*"
+        "friendsofphp/php-cs-fixer": "3.64.*"
     }
 }