diff --git a/composer.json b/composer.json
index 33671c3..5d176bb 100644
--- a/composer.json
+++ b/composer.json
@@ -51,7 +51,7 @@
     "laminas/laminas-diactoros": "^3.0",
     "mockery/mockery": "^1.6",
     "nyholm/psr7": "^1.5",
-    "phpunit/phpunit": "^10.0",
+    "phpunit/phpunit": "^10.0 || ^13.0",
     "vimeo/psalm": "^6.11"
   },
   "scripts": {