diff --git a/src/emqx.appup.src b/src/emqx.appup.src
index bde6af882..4c649e68d 100644
--- a/src/emqx.appup.src
+++ b/src/emqx.appup.src
@@ -6,7 +6,8 @@
      {load_module, emqx_cm, brutal_purge, soft_purge, []},
      {load_module, emqx_congestion, brutal_purge, soft_purge, []},
      {load_module, emqx_node_dump, brutal_purge, soft_purge, []},
-     {load_module, emqx_channel, brutal_purge, soft_purge, []}
+     {load_module, emqx_channel, brutal_purge, soft_purge, []},
+     {load_module, emqx_app, brutal_purge, soft_purge, []}
    ]},
    {"4.3.0", [
      {load_module, emqx_logger_jsonfmt, brutal_purge, soft_purge, []},
@@ -17,6 +18,8 @@
      {load_module, emqx_cm, brutal_purge, soft_purge, []},
      {load_module, emqx_node_dump, brutal_purge, soft_purge, []},
      {load_module, emqx_channel, brutal_purge, soft_purge, []},
+     {load_module, emqx_app, brutal_purge, soft_purge, []},
+     %%
      {load_module, emqx_metrics, brutal_purge, soft_purge, []},
      {apply, {emqx_metrics, upgrade_retained_delayed_counter_type, []}}
    ]},
@@ -28,7 +31,8 @@
      {load_module, emqx_cm, brutal_purge, soft_purge, []},
      {load_module, emqx_congestion, brutal_purge, soft_purge, []},
      {load_module, emqx_node_dump, brutal_purge, soft_purge, []},
-     {load_module, emqx_channel, brutal_purge, soft_purge, []}
+     {load_module, emqx_channel, brutal_purge, soft_purge, []},
+     {load_module, emqx_app, brutal_purge, soft_purge, []}
    ]},
    {"4.3.0", [
      {load_module, emqx_logger_jsonfmt, brutal_purge, soft_purge, []},
@@ -39,12 +43,12 @@
      {load_module, emqx_cm, brutal_purge, soft_purge, []},
      {load_module, emqx_node_dump, brutal_purge, soft_purge, []},
      {load_module, emqx_channel, brutal_purge, soft_purge, []},
+     {load_module, emqx_app, brutal_purge, soft_purge, []},
      %% Just load the module. We don't need to change the 'messages.retained'
      %% and 'messages.retained' counter type.
      {load_module, emqx_metrics, brutal_purge, soft_purge, []},
      {apply, {emqx_metrics, upgrade_retained_delayed_counter_type, []}}
    ]},
-
    {<<".*">>, []}
  ]
 }.