diff --git a/services/tunnelbroker/Cargo.lock b/services/tunnelbroker/Cargo.lock
--- a/services/tunnelbroker/Cargo.lock
+++ b/services/tunnelbroker/Cargo.lock
@@ -1599,6 +1599,7 @@
  "prost",
  "prost-types",
  "tokio",
+ "tokio-stream",
  "tonic",
  "tonic-build",
  "tracing",
diff --git a/services/tunnelbroker/Cargo.toml b/services/tunnelbroker/Cargo.toml
--- a/services/tunnelbroker/Cargo.toml
+++ b/services/tunnelbroker/Cargo.toml
@@ -11,6 +11,7 @@
 cxx = "1.0"
 tracing = "0.1"
 tokio = { version = "1.14", features = ["rt-multi-thread"]}
+tokio-stream = "0.1"
 lazy_static = "1.4"
 a2 = "0.6"
 log = "0.4"