diff --git a/composer.json b/composer.json
index ba4ae13..02605ef 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
     },
     "require-dev": {
         "laminas/laminas-coding-standard": "^3.1",
-        "phpunit/phpunit": "^12.5",
+        "phpunit/phpunit": "^13.0",
         "psalm/plugin-phpunit": "^0.19.5",
         "squizlabs/php_codesniffer": "^3.13",
         "vimeo/psalm": "^6.14"