diff --git a/composer.json b/composer.json
index 904a4490..3dd708bc 100644
--- a/composer.json
+++ b/composer.json
@@ -28,7 +28,7 @@
   "require-dev": {
     "friendsofphp/php-cs-fixer": "^3.68",
     "rector/rector": "^2.0.7",
-    "phpunit/phpunit": "^11.5",
+    "phpunit/phpunit": "^11.5 || ^12.5",
     "phpstan/phpstan": "^2.1.1"
   },
   "scripts": {