diff --git a/plugin-name/composer.json b/plugin-name/composer.json
index 98b30ca..dcfc58f 100644
--- a/plugin-name/composer.json
+++ b/plugin-name/composer.json
@@ -53,7 +53,7 @@
 		"lucatume/function-mocker": "^1.0",
 		"lucatume/wp-browser": "^3.6",
 		"php-stubs/wp-cli-stubs": "^2.0",
-		"phpro/grumphp": "^2.3",
+		"phpro/grumphp": "^1.16",
 		"phpunit/phpunit": "^9.2",
 		"szepeviktor/phpstan-wordpress": "^1.1.6"
 	},