diff --git a/composer.json b/composer.json
index 8cfb74f..c1aaabc 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^3.89",
-        "phpunit/phpunit": "^12.4",
+        "phpunit/phpunit": "^13.0",
         "vimeo/psalm": "^6.13"
     },
     "minimum-stability": "dev",