diff --git a/composer.json b/composer.json
index 9db0a09..f7045f2 100644
--- a/composer.json
+++ b/composer.json
@@ -17,10 +17,11 @@
     ],
     "require": {
         "php": "^7.1",
-        "illuminate/support": "^5.5 || ^6.0 || ^7.0"
+        "illuminate/support": "^5.5 || ^6.0 || ^7.0 || ^8.0"
     },
     "require-dev": {
-        "orchestra/testbench": "^3.0 || ^4.0 || ^5.0",
+        "laravel/legacy-factories": "^1.0",
+        "orchestra/testbench": "^3.0 || ^4.0 || ^5.0 || ^6.0",
         "phpunit/phpunit": "^7.0 || ^8.0 || ^9.0"
     },
     "autoload": {