diff --git a/composer.json b/composer.json
index 8cd716d..dc71861 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,7 @@
         "brainmaestro/composer-git-hooks": "^2.8 || ^3.0",
         "friendsofphp/php-cs-fixer": "^2.0 || ^3.0",
         "mockery/mockery": "^1.3",
-        "phpunit/phpunit": "^7.0 || ^8.0 || ^9.0",
+        "phpunit/phpunit": "^7.0 || ^8.0 || ^9.0 || ^11.0",
         "vimeo/psalm": "^3.0 || ^4.0 || ^5.0 || ^6.0"
     },
     "minimum-stability": "dev",