diff --git a/composer.json b/composer.json
old mode 100755
new mode 100644
index 0bb77a8..e52cdc1
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
     ],
     "require": {
         "php": ">=5.5.0",
-        "illuminate/support": "~5.2",
+        "illuminate/support": "~6.0",
         "guzzlehttp/guzzle": "~6.0"
     },
     "require-dev": {