diff --git a/src/emqx.appup.src b/src/emqx.appup.src
index c4885b7b1..f50a52e74 100644
--- a/src/emqx.appup.src
+++ b/src/emqx.appup.src
@@ -1,7 +1,8 @@
 %% -*- mode: erlang -*-
 {VSN,
   [{"4.3.12",
-    [{load_module,emqx_channel,brutal_purge,soft_purge,[]}]},
+    [{load_module,emqx_channel,brutal_purge,soft_purge,[]},
+     {load_module,emqx_alarm,brutal_purge,soft_purge,[]}]},
    {"4.3.11",
     [{load_module,emqx_connection,brutal_purge,soft_purge,[]},
      {load_module,emqx_channel,brutal_purge,soft_purge,[]},
@@ -199,7 +200,8 @@
      {load_module,emqx_app,brutal_purge,soft_purge,[]}]},
    {<<".*">>,[]}],
   [{"4.3.12",
-    [{load_module,emqx_channel,brutal_purge,soft_purge,[]}]},
+    [{load_module,emqx_channel,brutal_purge,soft_purge,[]},
+     {load_module,emqx_alarm,brutal_purge,soft_purge,[]}]},
    {"4.3.11",
     [{load_module,emqx_connection,brutal_purge,soft_purge,[]},
      {load_module,emqx_channel,brutal_purge,soft_purge,[]},