diff --git a/composer.json b/composer.json
index c5e7ebf..4524c9c 100644
--- a/composer.json
+++ b/composer.json
@@ -37,7 +37,7 @@
     "roave/security-advisories": "dev-latest",
     "roots/acorn": "^5.0@beta",
     "slevomat/coding-standard": "^8.15",
-    "squizlabs/php_codesniffer": "^3.7.1",
+    "squizlabs/php_codesniffer": "^4.0.0",
     "szepeviktor/phpstan-wordpress": "^1.3"
   },
   "config": {