diff --git a/composer.json b/composer.json
index 4c2a242..7c3c33b 100644
--- a/composer.json
+++ b/composer.json
@@ -21,7 +21,7 @@
         "illuminate/support": "~5",
         "illuminate/console": "~5",
         "illuminate/filesystem": "~5",
-        "guzzlehttp/guzzle": "~4.0"
+        "guzzlehttp/guzzle": "~6.0"
     },
     "autoload": {
         "psr-4": {