diff --git a/composer.json b/composer.json
index 3d799f5..bca5428 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
   "require-dev": {
     "phpunit/phpunit": "^10.0",
     "mockery/mockery": "^1.0",
-    "orchestra/testbench": "^8.0"
+    "orchestra/testbench": "^8.0||^9.0"
   },
   "autoload": {
     "psr-4": {