diff --git a/composer.json b/composer.json
index 70da5b6..fab1887 100644
--- a/composer.json
+++ b/composer.json
@@ -53,7 +53,7 @@
 		"icanhazstring/composer-unused": "^0.8.11",
 		"php-coveralls/php-coveralls": "^2.7.0",
 		"php-parallel-lint/php-parallel-lint": "^1.4",
-		"phpmd/phpmd": "^2.15",
+		"phpmd/phpmd": "^2.15.0",
 		"phpstan/extension-installer": "^1.4.1",
 		"phpstan/phpstan": "^1.11.8",
 		"phpstan/phpstan-phpunit": "^1.4.0",