diff --git a/composer.json b/composer.json
index 461a90d0..2268ed8a 100644
--- a/composer.json
+++ b/composer.json
@@ -5,7 +5,7 @@
     "ext-curl": "*",
     "ext-json": "*",
     "ext-mbstring": "*",
-    "guzzlehttp/guzzle": "^6.2"
+    "guzzlehttp/guzzle": "^6.2 || ^7.0"
   },
   "autoload": {
     "psr-4": {