diff --git a/composer.json b/composer.json
index dd0e852..a242255 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": "^7.4"
+        "php": "^7.3|^8.0"
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^2.16",