diff --git a/composer.json b/composer.json
index 2629a00..bf8946a 100644
--- a/composer.json
+++ b/composer.json
@@ -8,8 +8,8 @@
         }
     },
     "require": {
-        "php": "^7.4.1",
-        "guzzlehttp/guzzle": "^6.5.0 || ^7.0.0",
+        "php": "^7.4.1 || ^8.0",
+        "guzzlehttp/guzzle": "^6.5.8 || ^7.0.0",
         "league/oauth2-client": "^2.4"
     },
     "require-dev": {