diff --git a/composer.json b/composer.json
index 3bc85f8..a108e43 100644
--- a/composer.json
+++ b/composer.json
@@ -35,8 +35,8 @@
         }
     },
     "require": {
-        "guzzlehttp/guzzle": "^7.2",
-        "php": "^7.2"
+        "guzzlehttp/guzzle": "^7.3",
+        "php": "^7.3|^8.0"
     },
     "prefer-stable": true
 }