diff --git a/services/tunnelbroker/rust-lib/build.rs b/services/tunnelbroker/rust-lib/build.rs
--- a/services/tunnelbroker/rust-lib/build.rs
+++ b/services/tunnelbroker/rust-lib/build.rs
@@ -1,4 +1,8 @@
+const PROTOS_DIR: &'static str = "../../../shared/protos";
+
 fn main() {
   let _build = cxx_build::bridge("src/lib.rs").flag_if_supported("-std=c++17");
   println!("cargo:rerun-if-changed=src/lib.rs");
+  tonic_build::compile_protos(format!("{}/tunnelbroker.proto", PROTOS_DIR))
+    .expect("Failed to compile protobuf file");
 }