diff --git a/composer.json b/composer.json
index 4e5fa62..c7861b4 100644
--- a/composer.json
+++ b/composer.json
@@ -33,7 +33,7 @@
     ],
     "require-dev": {
         "phpunit/phpunit": "^9.6.19 || ^10.5.18",
-        "phpstan/phpstan": "1.11.2",
+        "phpstan/phpstan": "1.11.9",
         "friendsofphp/php-cs-fixer": "3.54.0",
         "maglnet/composer-require-checker": "^3.0.0",
         "phpro/grumphp-shim": "^2.0.0"