diff --git a/composer.json b/composer.json
index aea9959..2bcdaa4 100644
--- a/composer.json
+++ b/composer.json
@@ -37,7 +37,7 @@
         "laminas/laminas-coding-standard": "^3.1",
         "laminas/laminas-diactoros": "^3.8",
         "laminas/laminas-servicemanager": "^4.5",
-        "phpunit/phpunit": "^12.5.4",
+        "phpunit/phpunit": "^13.0.0",
         "psalm/plugin-phpunit": "^0.19.5",
         "roave/security-advisories": "dev-master",
         "vimeo/psalm": "^6.14.2"