diff --git a/composer.json b/composer.json
index 6f34564..5694cee 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
     "minimum-stability": "dev",
     "require-dev": {
         "phpstan/phpstan": "^2.1",
-        "squizlabs/php_codesniffer": "3.*",
+        "squizlabs/php_codesniffer": "4.*",
         "phpmd/phpmd": "^2.11",
         "oxid-esales/oxideshop-ce": "dev-b-7.1.x",
         "mikey179/vfsstream": "~1.6.8",