diff --git a/composer.json b/composer.json
index 42cec00..9130b88 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
         "nethergamesmc/quiche": "dev-master"
     },
     "require-dev": {
-        "phpstan/phpstan": "1.11.8",
+        "phpstan/phpstan": "1.11.9",
         "nethergamesmc/pocketmine-mp": "dev-stable"
     },
     "repositories": [