diff --git a/composer.json b/composer.json
index 09f652c..f10fc6b 100644
--- a/composer.json
+++ b/composer.json
@@ -14,7 +14,7 @@
         }
     },
     "require": {
-        "php": "^7.3",
+        "php": "^7.3|^8.0",
         "vimeo/psalm": "^4.6.1"
     },
     "autoload": {