diff --git a/composer.json b/composer.json
index d25780f41aa629f5bc07511c4f77578a7ea983d6..1151175138e3d7a27d9fd61a11ccf33089b6941b 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,7 @@
     "php": "^7.1 | ^8.0",
     "ext-json": "*",
     "beberlei/assert": "^3.2",
-    "friendsofphp/php-cs-fixer": ">=2.18"
+    "friendsofphp/php-cs-fixer": "~2.18.0"
   },
   "require-dev": {
     "maglnet/composer-require-checker": ">=2.0",