diff --git a/composer.json b/composer.json
index 56a00df..ae3c437 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
         "php": "^7.0",
         "ext-dom": "*",
         "cakephp/chronos": "^1|^2",
-        "guzzlehttp/guzzle": "^6.5"
+        "guzzlehttp/guzzle": "^7.0"
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^2.16",