diff --git a/composer.json b/composer.json
index 894b32f..98caf9b 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
     ],
     "require": {
         "php": "^5.5 || ^7.0",
-        "illuminate/support": "5.*",
+        "illuminate/support": "5.* || 6.*",
         "guzzlehttp/guzzle": "~6.0",
         "guzzlehttp/psr7": "^1.3"
     },