diff --git a/composer.json b/composer.json
index 4c52c94..981a9e1 100644
--- a/composer.json
+++ b/composer.json
@@ -27,7 +27,7 @@
         "ext-curl": "*",
         "phpunit/phpunit": "^9.5",
         "squizlabs/php_codesniffer": "^2.5",
-        "orchestra/testbench": "^4.18|^6.21|^8.0",
+        "orchestra/testbench": "^6.40.0",
         "mockery/mockery": "^1.3"
     },
     "autoload": {