diff --git a/composer.json b/composer.json
index 9182afd..e244b5b 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "3.58.1",
-        "phpstan/phpstan": "1.11.3",
+        "phpstan/phpstan": "1.12.0",
         "phpunit/phpunit": "^9.5.10"
     },
     "autoload-dev": {