diff --git a/composer.json b/composer.json
index 592d633..ab08326 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
     "require-dev": {
         "phpunit/phpunit": "^8.5",
         "mockery/mockery": "^1.3",
-        "friendsofphp/php-cs-fixer": "^2.16"
+        "friendsofphp/php-cs-fixer": "^3.0"
     },
 
     "autoload": {