diff --git a/composer.json b/composer.json
index 5a8c847..f1b00a0 100644
--- a/composer.json
+++ b/composer.json
@@ -24,6 +24,6 @@
         "bin/mdphpcs"
     ],
     "require-dev": {
-        "phpunit/phpunit": "^9.6"
+        "phpunit/phpunit": "^9.6 || ^10.0 || ^11.0"
     }
 }