diff --git a/legacy/tools/composer.json b/legacy/tools/composer.json
index 8e3b2d204..620ba91b2 100644
--- a/legacy/tools/composer.json
+++ b/legacy/tools/composer.json
@@ -1,6 +1,6 @@
 {
   "require": {
     "php": "^7.4",
-    "friendsofphp/php-cs-fixer": "<3.27.1"
+    "friendsofphp/php-cs-fixer": "<3.34.1"
   }
 }