diff --git a/composer.json b/composer.json
index 124cdb5..14262af 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^3.10",
-        "orchestra/testbench": "^v8.15",
+        "orchestra/testbench": "^v9.0.0",
         "phpunit/phpunit": "^9.6|^10.4"
     },
     "autoload": {