diff --git a/composer.json b/composer.json
index 804be7a..6651387 100644
--- a/composer.json
+++ b/composer.json
@@ -30,7 +30,7 @@
   "require-dev": {
     "laravel/pint": "^1.2",
     "larastan/larastan": "^2.4.0",
-    "sampoyigi/testbench": "^1.0",
+    "sampoyigi/testbench": "dev-main as 1.0",
     "pestphp/pest-plugin-laravel": "^2.0"
   },
   "autoload": {