diff --git a/composer.json b/composer.json
index 2fdca7d..b0a2ed7 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,8 @@
     "require-dev": {
         "symfony/filesystem": "^6.3|^7.0",
         "symfony/framework-bundle": "^6.3|^7.0",
-        "symfony/phpunit-bridge": "^6.3|^7.0"
+        "symfony/phpunit-bridge": "^6.3|^7.0",
+        "phpstan/phpstan": "^1.10.39"
     },
     "minimum-stability": "dev",
     "autoload": {