diff --git a/tlbmc/service_messages.proto b/tlbmc/service_messages.proto
index d1e8235..ea1ee0a 100644
--- a/tlbmc/service_messages.proto
+++ b/tlbmc/service_messages.proto
@@ -31,6 +31,7 @@
     AGENT_TYPE_BMCWEB = 2;
     AGENT_TYPE_GSYS = 3;
     AGENT_TYPE_PICTOR = 4;
+    AGENT_TYPE_UHMM = 5;
     // Add more agent types here.
   }
   optional AgentType agent_type = 1;