diff --git a/composer.json b/composer.json
index 2f582a5..3b13fb9 100644
--- a/composer.json
+++ b/composer.json
@@ -39,7 +39,7 @@
   },
   "require-dev": {
     "ext-json": "*",
-    "squizlabs/php_codesniffer": "^3.8",
+    "squizlabs/php_codesniffer": "^4.0",
     "jchook/phpunit-assert-throws": "^1.0",
     "phpunit/phpunit": "^10.5.5",
     "phpcompatibility/php-compatibility": "^9.3",