diff --git a/composer.json b/composer.json
index 22bd4d4..ba0ad9a 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
     "require-dev": {
         "phpunit/phpunit": "10.5.63",
         "phpstan/phpstan": "2.1.56",
-        "squizlabs/php_codesniffer": "3.13.5",
+        "squizlabs/php_codesniffer": "4.0.1",
         "ext-json": "*"
     },
     "autoload": {