diff --git a/docs/sanic/extensions.md b/docs/sanic/extensions.md
index fe0f223a..efd25d2c 100644
--- a/docs/sanic/extensions.md
+++ b/docs/sanic/extensions.md
@@ -11,3 +11,4 @@ A list of Sanic extensions created by the community.
 - [Pagination](https://github.com/lixxu/python-paginate): Simple pagination support.
 - [Motor](https://github.com/lixxu/sanic-motor): Simple motor wrapper.
 - [Sanic CRUD](https://github.com/Typhon66/sanic_crud): CRUD REST API generation with peewee models.
+- [UserAgent](https://github.com/lixxu/sanic-useragent): Add `user_agent` to request