diff --git a/composer.json b/composer.json
index cc16a0e..d595af5 100644
--- a/composer.json
+++ b/composer.json
@@ -18,13 +18,13 @@
     "prefer-stable" : true,
     "require": {
         "php": ">=5.6.4",
-        "laravel/framework": "5.5.*|5.6.*|5.7.*|5.8.*"
+        "laravel/framework": "5.5.*|5.6.*|5.7.*|5.8.*|^6.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "~4.1",
+        "phpunit/phpunit": "~4.1|^8.0",
         "mockery/mockery": "dev-master",
-        "illuminate/database": "~5.0",
-        "orchestra/testbench": "3.4.*@dev"
+        "illuminate/database": "~5.0|^6.0",
+        "orchestra/testbench": "3.4.*@dev|^4.0"
     },
     "autoload": {
         "psr-0": {