diff --git a/composer.json b/composer.json
index 3dfffb5..b5474a6 100644
--- a/composer.json
+++ b/composer.json
@@ -34,7 +34,7 @@
     },
     "require-dev": {
         "laminas/laminas-coding-standard": "~3.1.0",
-        "phpunit/phpunit": "^11.5.50 || ^12.5.8",
+        "phpunit/phpunit": "^13.0.0",
         "psalm/plugin-phpunit": "^0.19.0",
         "vimeo/psalm": "^6.14.3"
     },