diff --git a/composer.json b/composer.json
index 7ce766c..02dcbb2 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
         }
     ],
     "require": {
-        "php": "^7.1",
+        "php": "^7.1|^8",
         "guzzlehttp/guzzle": "~6.0|~7.0",
         "ext-json": "*",
         "ext-mbstring": "*"