diff --git a/README.MD b/README.MD
index 6618e88..1a1d61f 100644
--- a/README.MD
+++ b/README.MD
@@ -153,5 +153,5 @@ app.get('/api/users/:id', fn (req hono.Request) http.Response {
   - [x] `fn json`
   - [x] `fn html`
 - [ ] Router
-- [ ] Middleware
+- [x] Middleware