diff --git a/protos/dmi/hw_management_service.proto b/protos/dmi/hw_management_service.proto
index 7b24925..e98a0be 100644
--- a/protos/dmi/hw_management_service.proto
+++ b/protos/dmi/hw_management_service.proto
@@ -64,6 +64,7 @@
         INVALID_PARAMS = 3;
         INTERNAL_ERROR = 4;
         DEVICE_UNREACHABLE = 5;
+        SET_UNSUPPORTED = 6;
     }
     Status status = 1;
     Reason reason = 2;