diff --git a/composer.json b/composer.json
index e529530..c9c16ee 100755
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
   ],
   "require": {
     "php": "^7.1.3",
-    "guzzlehttp/guzzle": "^6.3"
+    "guzzlehttp/guzzle": "^7.0"
   },
   "require-dev": {
     "mockery/mockery": "^1.0",