diff --git a/composer.json b/composer.json
index 832651b..ca3c8b0 100644
--- a/composer.json
+++ b/composer.json
@@ -30,7 +30,7 @@
         "php": ">=8.0",
         "phpunit/phpunit": "^9.5",
         "guzzlehttp/guzzle": "^7.3",
-        "orchestra/testbench": "^*",
+        "orchestra/testbench": "^6.0",
     },
     "autoload": {
         "psr-4": {