diff --git a/embed/serve.go b/embed/serve.go
index 491862595..7b6cac2d7 100644
--- a/embed/serve.go
+++ b/embed/serve.go
@@ -216,7 +216,7 @@ func (sctx *serveCtx) createMux(gwmux *gw.ServeMux, handler http.Handler) *http.
 	}
 
 	httpmux.Handle(
-		"/v3alpha/",
+		"/v3beta/",
 		wsproxy.WebsocketProxy(
 			gwmux,
 			wsproxy.WithRequestMutator(