diff --git a/omaha_request_action.h b/omaha_request_action.h
index 307798b..5564e73 100644
--- a/omaha_request_action.h
+++ b/omaha_request_action.h
@@ -55,6 +55,8 @@
     kTypeDownloadComplete = 1,
     kTypeInstallComplete = 2,
     kTypeUpdateComplete = 3,
+    kTypeUpdateDownloadStarted = 13,
+    kTypeUpdateDownloadFinished = 14,
   };
 
   enum Result {