diff --git a/composer.json b/composer.json
index 090e8c9..f2a0919 100644
--- a/composer.json
+++ b/composer.json
@@ -35,7 +35,7 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^10.5",
-        "phpstan/phpstan": "^1.11",
+        "phpstan/phpstan": "^2.1",
         "friendsofphp/php-cs-fixer": "^3.59"
     },
     "autoload": {