diff --git a/shared/grpc_clients/build.rs b/shared/grpc_clients/build.rs
--- a/shared/grpc_clients/build.rs
+++ b/shared/grpc_clients/build.rs
@@ -10,4 +10,8 @@
       &["../protos"],
     )
     .unwrap_or_else(|e| panic!("Failed to compile protos {:?}", e));
+
+  println!("cargo:rerun-if-changed=../protos/identity_client.proto");
+  println!("cargo:rerun-if-changed=../protos/identity_authenticated.proto");
+  println!("cargo:rerun-if-changed=../protos/tunnelbroker.proto");
 }
diff --git a/shared/grpc_clients/src/lib.rs b/shared/grpc_clients/src/lib.rs
--- a/shared/grpc_clients/src/lib.rs
+++ b/shared/grpc_clients/src/lib.rs
@@ -2,6 +2,9 @@
 pub mod identity;
 pub mod tunnelbroker;
 
+// Re-export some dependencies which may need to be used by downstream crates
+pub use tonic;
+
 use error::Error;
 use std::path::Path;
 use tonic::transport::{Certificate, Channel, ClientTlsConfig};