diff --git a/composer.json b/composer.json
index 3b8a62e..efe11af 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,7 @@
         "http-interop/http-factory-guzzle": "^1.0",
         "mockery/mockery": "~1.3",
         "nunomaduro/larastan": "^1.0.4",
-        "orchestra/testbench": "^5.0|^6.0|^7.0|^8.0",
+        "orchestra/testbench": "^9.1.2",
         "phpunit/phpunit": "^9.3"
     },
     "autoload": {