diff --git a/composer.json b/composer.json
index 283ecbd5..02fc5231 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
   "require": {
     "php": "^7.2.5",
     "ext-json": "*",
-    "guzzlehttp/guzzle": "^6.3",
+    "guzzlehttp/guzzle": "^6.3 || ^7.0",
     "nesbot/carbon": "^1.26.3 || ^2.0",
     "predis/predis": "^1.1",
     "ramsey/uuid": "^3.7 || ^4.0",