diff --git a/vendor/modules.txt b/vendor/modules.txt
index 9d67a93..fb9827a 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -46,6 +46,11 @@
 github.com/golang/snappy
 # github.com/google/uuid v1.1.1
 github.com/google/uuid
+# 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/hashicorp/consul/api v1.2.0
 github.com/hashicorp/consul/api
 # github.com/hashicorp/go-cleanhttp v0.5.1