diff --git a/vendor/google.golang.org/grpc/go.mod b/vendor/google.golang.org/grpc/go.mod
new file mode 100644
index 0000000..b75c069
--- /dev/null
+++ b/vendor/google.golang.org/grpc/go.mod
@@ -0,0 +1,20 @@
+module google.golang.org/grpc
+
+require (
+	cloud.google.com/go v0.26.0 // indirect
+	github.com/BurntSushi/toml v0.3.1 // indirect
+	github.com/client9/misspell v0.3.4
+	github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b
+	github.com/golang/mock v1.1.1
+	github.com/golang/protobuf v1.2.0
+	github.com/google/go-cmp v0.2.0
+	golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3
+	golang.org/x/net v0.0.0-20190311183353-d8887717615a
+	golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be
+	golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f // indirect
+	golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a
+	golang.org/x/tools v0.0.0-20190311212946-11955173bddd
+	google.golang.org/appengine v1.1.0 // indirect
+	google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8
+	honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099
+)