diff --git a/composer.json b/composer.json
index d9e7346..bbde5ef 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,7 @@
         "silverstripe/framework": "~6.0"
     },
     "require-dev": {
-        "squizlabs/php_codesniffer": "^3.0",
+        "squizlabs/php_codesniffer": "^4.0",
         "cambis/silverstan": "^2.0",
         "phpunit/phpunit": "^11.0"
     },