diff --git a/src/emqx.appup.src b/src/emqx.appup.src
index f70d41198..d3f5ba2b6 100644
--- a/src/emqx.appup.src
+++ b/src/emqx.appup.src
@@ -6,6 +6,7 @@
      {add_module, emqx_congestion},
      {load_module, emqx_alarm, brutal_purge, soft_purge, []},
      {load_module, emqx_channel, brutal_purge, soft_purge, []},
+     {load_module, emqx_session, brutal_purge, soft_purge, []},
      {load_module, emqx_metrics, brutal_purge, soft_purge, []},
      {load_module, emqx_limiter, brutal_purge, soft_purge, []},
      {suspend, [esockd_acceptor,emqx_connection, emqx_ws_connection]},
@@ -20,6 +21,7 @@
      {add_module, emqx_congestion},
      {load_module, emqx_alarm, brutal_purge, soft_purge, []},
      {load_module, emqx_channel, brutal_purge, soft_purge, []},
+     {load_module, emqx_session, brutal_purge, soft_purge, []},
      {load_module, emqx_limiter, brutal_purge, soft_purge, []},
      {suspend, [esockd_acceptor, emqx_connection, emqx_ws_connection]},
      {load_module, emqx_frame, brutal_purge, soft_purge, []},
@@ -34,12 +36,19 @@
      {load_module, emqx_frame, brutal_purge, soft_purge, []},
      {load_module, emqx_alarm, brutal_purge, soft_purge, []},
      {load_module, emqx_channel, brutal_purge, soft_purge, []},
+     {load_module, emqx_session, brutal_purge, soft_purge, []},
      {load_module, emqx_connection, brutal_purge, soft_purge, []},
      {load_module, emqx_os_mon, brutal_purge, soft_purge, []},
      {load_module, emqx_shared_sub, brutal_purge, soft_purge, []}
    ]},
    {<<"4.2.4">>, [
-     {load_module, emqx_frame, brutal_purge, soft_purge, []}
+     {load_module, emqx_frame, brutal_purge, soft_purge, []},
+     {load_module, emqx_channel, brutal_purge, soft_purge, []},
+     {load_module, emqx_session, brutal_purge, soft_purge, []}
+   ]},
+   {<<"4.2.5">>, [
+     {load_module, emqx_channel, brutal_purge, soft_purge, []},
+     {load_module, emqx_session, brutal_purge, soft_purge, []}
    ]},
    {<<".*">>, []}
  ],
@@ -55,6 +64,7 @@
      {update, emqx_connection, {advanced, []}},
      {update, emqx_ws_connection, {advanced, []}},
      {load_module, emqx_channel, brutal_purge, soft_purge, []},
+     {load_module, emqx_session, brutal_purge, soft_purge, []},
      {resume, [esockd_acceptor, emqx_connection, emqx_ws_connection]},
      {delete_module, emqx_congestion}
    ]},
@@ -64,6 +74,7 @@
      {load_module, emqx_limiter, brutal_purge, soft_purge, []},
      {suspend, [esockd_acceptor, emqx_connection, emqx_ws_connection]},
      {load_module, emqx_channel, brutal_purge, soft_purge, []},
+     {load_module, emqx_session, brutal_purge, soft_purge, []},
      {load_module, emqx_frame, brutal_purge, soft_purge, []},
      {update, emqx_connection, {advanced, []}},
      {update, emqx_ws_connection, {advanced, []}},
@@ -76,12 +87,19 @@
      {load_module, emqx_os_mon, brutal_purge, soft_purge, []},
      {load_module, emqx_connection, brutal_purge, soft_purge, []},
      {load_module, emqx_channel, brutal_purge, soft_purge, []},
+     {load_module, emqx_session, brutal_purge, soft_purge, []},
      {load_module, emqx_alarm, brutal_purge, soft_purge, []},
      {load_module, emqx_frame, brutal_purge, soft_purge, []},
      {delete_module, emqx_congestion}
    ]},
    {<<"4.2.4">>, [
-     {load_module, emqx_frame, brutal_purge, soft_purge, []}
+     {load_module, emqx_frame, brutal_purge, soft_purge, []},
+     {load_module, emqx_channel, brutal_purge, soft_purge, []},
+     {load_module, emqx_session, brutal_purge, soft_purge, []}
+   ]},
+   {<<"4.2.5">>, [
+     {load_module, emqx_channel, brutal_purge, soft_purge, []},
+     {load_module, emqx_session, brutal_purge, soft_purge, []}
    ]},
    {<<".*">>, []}
  ]