diff --git a/composer.json b/composer.json
index 5a39059..a7b2205 100644
--- a/composer.json
+++ b/composer.json
@@ -25,7 +25,7 @@
         "laminas/laminas-coding-standard": "~2.5.0",
         "laminas/laminas-config": "^3.9",
         "laminas/laminas-validator": "^2.30.1",
-        "phpunit/phpunit": "^11.5",
+        "phpunit/phpunit": "^13.0",
         "psalm/plugin-phpunit": "^0.19.0",
         "vimeo/psalm": "^6.13"
     },