diff --git a/composer.json b/composer.json
index 676c5eb..dc20957 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
     },
     "require-dev": {
         "phpstan/phpstan": "2.1.33",
-        "phpunit/phpunit": "12.5.4",
+        "phpunit/phpunit": "12.5.6",
         "friendsofphp/php-cs-fixer": "3.92.5"
     },
     "autoload": {