diff --git a/src/emqx.appup.src b/src/emqx.appup.src
index 5300e6bc8..610b40c75 100644
--- a/src/emqx.appup.src
+++ b/src/emqx.appup.src
@@ -5,6 +5,7 @@
      {load_module,emqx_banned,brutal_purge,soft_purge,[]},
      {load_module,emqx_ctl,brutal_purge,soft_purge,[]},
      {load_module,emqx_pmon,brutal_purge,soft_purge,[]},
+     {load_module,emqx_os_mon,brutal_purge,soft_purge,[]},
      {load_module,emqx_channel,brutal_purge,soft_purge,[]}]},
    {"4.3.12",
     [{load_module,emqx_connection,brutal_purge,soft_purge,[]},