diff --git a/vendor/modules.txt b/vendor/modules.txt
index e49972a..947a315 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -62,6 +62,9 @@
 github.com/gorilla/websocket
 # github.com/grpc-ecosystem/go-grpc-middleware v1.0.1-0.20190118093823-f849b5445de4
 github.com/grpc-ecosystem/go-grpc-middleware
+github.com/grpc-ecosystem/go-grpc-middleware/tags
+github.com/grpc-ecosystem/go-grpc-middleware/tracing/opentracing
+github.com/grpc-ecosystem/go-grpc-middleware/util/metautils
 # github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0
 github.com/grpc-ecosystem/go-grpc-prometheus
 # github.com/grpc-ecosystem/grpc-gateway v1.9.5