diff --git a/composer.json b/composer.json
index f2eefa7..320c75c 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
     ],
     "require": {
         "league/flysystem": "^1.0.20",
-        "guzzlehttp/guzzle": "~6.0"
+        "guzzlehttp/guzzle": "~7.0"
     },
     "require-dev": {
         "phpunit/phpunit": "~4.1"