diff --git a/composer.json b/composer.json
index b91b54e..aff4771 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,7 @@
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^3.89",
-        "phpstan/phpstan": "^1.9",
+        "phpstan/phpstan": "^2.1",
         "rector/rector": "^2.2"
     },
     "autoload": {