diff --git a/composer.json b/composer.json
index 845f1e1..15ea73d 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
         "php-64bit": "*"
     },
     "require-dev": {
-        "phpstan/phpstan": "2.1.0",
+        "phpstan/phpstan": "2.1.11",
         "phpstan/extension-installer": "^1.0",
         "phpstan/phpstan-strict-rules": "^2.0",
         "phpunit/phpunit": "^10.0 || ^11.0"