diff --git a/composer.json b/composer.json
index 740c8b3..8d11f9e 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
         "illuminate/support": "5.2.*|5.3.*|5.4.*|5.5.*|5.6.*|5.7.*|5.8.*|6.*|7.*|8.*",
         "laravel/framework": "5.2.*|5.3.*|5.4.*|5.5.*|5.6.*|5.7.*|5.8.*|6.*|7.*|8.*",
         "phpunit/phpunit": "^9.3@dev",
-        "orchestra/testbench": "3.8.*|4.*|5.*|6.*"
+        "orchestra/testbench": "^6.x-dev"
     },
     "autoload": {
         "psr-4": {