diff --git a/composer.json b/composer.json
index da298c14..5fc87aee 100644
--- a/composer.json
+++ b/composer.json
@@ -35,6 +35,7 @@
     "require-dev": {
         "brainmaestro/composer-git-hooks": "^2.8",
         "friendsofphp/php-cs-fixer": "^3.2 != 3.7.0",
+        "jetbrains/phpstorm-attributes": "^1.0",
         "phpstan/phpstan": "^1.1",
         "phpunit/phpunit": "^8.5 || ^9.0",
         "roave/security-advisories": "dev-latest",