diff --git a/composer.json b/composer.json
index acc0626..649b657 100644
--- a/composer.json
+++ b/composer.json
@@ -32,6 +32,6 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^10.1",
-        "phpstan/phpstan": "1.10.67"
+        "phpstan/phpstan": "1.11.5"
     }
 }