diff --git a/composer.json b/composer.json
index d2d0c67..2c01a58 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
         }
     ],
     "require": {
-        "php": "^7.1 || ^7.0",
+        "php": "^7.0 || ^8.0",
         "psr/log": "^1.0",
         "php-http/client-common": "^1.9 || ^2.0",
         "php-http/message": "^1.0",