diff --git a/composer.json b/composer.json
index 82f900f..4d47c53 100644
--- a/composer.json
+++ b/composer.json
@@ -24,7 +24,7 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^9.6.19 || ^10.5.18",
-        "phpstan/phpstan": "2.1.33",
+        "phpstan/phpstan": "2.1.39",
         "friendsofphp/php-cs-fixer": "3.92.5",
         "maglnet/composer-require-checker": "^3.0.0",
         "phpro/grumphp-shim": "^2.0.0"