diff --git a/composer.json b/composer.json
index 17a8d92..6376466 100644
--- a/composer.json
+++ b/composer.json
@@ -21,8 +21,8 @@
     },
     "require": {
         "php": ">=7.0.0",
-        "illuminate/support": "5.4.* || 5.5.* || 5.6.*",
-        "laravel/browser-kit-testing": "^2.0|| ^4.0"
+        "illuminate/support": "5.5.* || 5.6.*",
+        "laravel/browser-kit-testing": "^2.0 || ^4.0"
     },
     "require-dev": {
         "orchestra/testbench": "~3.0"