diff --git a/network/tunnel/broker/broker.go b/network/tunnel/broker/broker.go
index 42d4fac5..9fd27e09 100644
--- a/network/tunnel/broker/broker.go
+++ b/network/tunnel/broker/broker.go
@@ -7,6 +7,7 @@ import (
 
 	"github.com/unistack-org/micro/v3/broker"
 	"github.com/unistack-org/micro/v3/logger"
+	"github.com/unistack-org/micro/v3/metadata"
 	"github.com/unistack-org/micro/v3/network/transport"
 	"github.com/unistack-org/micro/v3/network/tunnel"
 )