diff --git a/composer.json b/composer.json
index 504d532f..34029ed8 100644
--- a/composer.json
+++ b/composer.json
@@ -52,7 +52,7 @@
         "ext-pcov": "*",
         "ext-posix": "*",
         "doctrine/coding-standard": "^12.0.0",
-        "phpstan/phpstan": "^1.11.8",
+        "phpstan/phpstan": "^1.11.9",
         "phpstan/phpstan-deprecation-rules": "^1.2.0",
         "phpstan/phpstan-phpunit": "^1.4.0",
         "phpstan/phpstan-strict-rules": "^1.6.0",