diff --git a/website/docs/who-is-using-redocusaurus.md b/website/docs/who-is-using-redocusaurus.md
index 859def1c..8dfcf82d 100644
--- a/website/docs/who-is-using-redocusaurus.md
+++ b/website/docs/who-is-using-redocusaurus.md
@@ -6,4 +6,5 @@ sidebar_position: 5
 
 Feel free to add your site below by sending a Pull Request! (sort in alphabetical order)
 
+- [Regards OSS](http://regardsoss.github.io/) - [example](http://regardsoss.github.io/docs/development/backend/services/catalog/api-swagger)
 - [Wechaty OpenAPI](https://wechaty.js.org/docs/openapi/)