diff --git a/src/emqx.appup.src b/src/emqx.appup.src
index a60b33bfd..ae5c1e481 100644
--- a/src/emqx.appup.src
+++ b/src/emqx.appup.src
@@ -120,6 +120,9 @@
      {load_module,emqx_alarm_handler,brutal_purge,soft_purge,[]},
      {load_module,emqx_misc,brutal_purge,soft_purge,[]}
    ]},
+   {<<"4.2.6">>, [
+     {load_module, emqx_channel, brutal_purge, soft_purge, []}
+   ]},
    {<<".*">>, []}
  ],
  [
@@ -241,6 +244,9 @@
      {load_module,emqx_alarm_handler,brutal_purge,soft_purge,[]},
      {load_module,emqx_misc,brutal_purge,soft_purge,[]}
    ]},
+   {<<"4.2.6">>, [
+     {load_module, emqx_channel, brutal_purge, soft_purge, []}
+   ]},
    {<<".*">>, []}
  ]
 }.