diff --git a/composer.json b/composer.json
index 9f1ebfbd..0792c814 100644
--- a/composer.json
+++ b/composer.json
@@ -40,7 +40,7 @@
     "require-dev": {
         "phpunit/phpunit": "^12.2",
         "phpstan/phpstan": "^2.1",
-        "squizlabs/php_codesniffer": "^3.8",
+        "squizlabs/php_codesniffer": "^4.0",
         "friendsofphp/php-cs-fixer": "^3.40"
     },
     "autoload": {