diff --git a/composer.json b/composer.json
index a157456..59328e5 100644
--- a/composer.json
+++ b/composer.json
@@ -39,7 +39,7 @@
     "require-dev": {
         "phpunit/phpunit": "^10.5",
         "symfony/config": "^6.0 || ^7.0",
-        "phpstan/phpstan": "^1.12",
+        "phpstan/phpstan": "^2.1",
         "vimeo/psalm": "^5.26",
         "psalm/plugin-phpunit": "^0.19.0",
         "symfony/phpunit-bridge": "^6.0 || ^7.0"