diff --git a/setup.cfg b/setup.cfg
index 5cdf35ab..4b811a5f 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,4 +1,4 @@
-# Copyright 2021-2022 Google LLC
+# Copyright 2021-2023 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -24,7 +24,7 @@ url = https://github.com/google/bumble
 
 [options]
 python_requires = >=3.8
-packages = bumble, bumble.transport, bumble.drivers, bumble.profiles, bumble.apps, bumble.apps.link_relay, bumble.pandora, bumble.tools
+packages = bumble, bumble.transport, bumble.transport.grpc_protobuf, bumble.drivers, bumble.profiles, bumble.apps, bumble.apps.link_relay, bumble.pandora, bumble.tools
 package_dir =
     bumble = bumble
     bumble.apps = apps