diff --git a/composer.json b/composer.json
index ccb5f57..92f831b 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,7 @@
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^3.0",
         "huangdijia/php-coding-standard": "^1.1",
-        "orchestra/testbench": "^7.0|^8.0|^9.0",
+        "orchestra/testbench": "^8.0|^9.0",
         "phpstan/phpstan": "^1.0"
     },
     "autoload": {