diff --git a/dbus/vm_concierge/service.proto b/dbus/vm_concierge/service.proto
index f4be796..132a174 100644
--- a/dbus/vm_concierge/service.proto
+++ b/dbus/vm_concierge/service.proto
@@ -3,6 +3,7 @@
 // found in the LICENSE file.
 
 syntax = "proto3";
+option optimize_for = LITE_RUNTIME;
 
 // This file defines messages used for starting, stopping, and managing VMs.
 package vm_tools.concierge;