diff --git a/composer.json b/composer.json
index 4cc3719..a85dfb8 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
         "mockery/mockery": "^1.5",
         "wp-phpunit/wp-phpunit": "^6.1",
         "yoast/phpunit-polyfills": "^4.0",
-        "squizlabs/php_codesniffer": "^3.7",
+        "squizlabs/php_codesniffer": "^4.0",
         "wp-coding-standards/wpcs": "^3.0"
     },
     "autoload": {