diff --git a/composer.json b/composer.json
index 874c0d7..4b16739 100644
--- a/composer.json
+++ b/composer.json
@@ -30,7 +30,7 @@
         "phpstan/phpstan-phpunit": "1.3.14",
         "phpstan/phpstan-strict-rules": "1.5.1",
         "spaze/phpstan-disallowed-calls": "2.16.0",
-        "shipmonk/phpstan-rules": "2.9.0",
+        "shipmonk/phpstan-rules": "2.9.1",
         "phpunit/phpunit": "^8.5.21 || ^9.5.10"
     },
     "autoload": {