diff --git a/composer.json b/composer.json
index 674a3d8..e166fcc 100644
--- a/composer.json
+++ b/composer.json
@@ -37,7 +37,7 @@
     },
     "require": {
         "php": ">=7.4",
-        "guzzlehttp/guzzle": "^7.5",
+        "guzzlehttp/guzzle": "^7.5 || ^8.0",
         "ext-json": "*"
     },
     "require-dev": {