diff --git a/apps/emqx_exproto/src/emqx_exproto.appup.src b/apps/emqx_exproto/src/emqx_exproto.appup.src
index 6634cbc53..7055e8064 100644
--- a/apps/emqx_exproto/src/emqx_exproto.appup.src
+++ b/apps/emqx_exproto/src/emqx_exproto.appup.src
@@ -2,13 +2,15 @@
 {VSN,
  [
     {"4.3.0", [
-      {load_module, emqx_exproto_conn, brutal_purge, soft_purge, []}
+      {load_module, emqx_exproto_conn, brutal_purge, soft_purge, []},
+      {load_module, emqx_exproto_channel, brutal_purge, soft_purge, []}
     ]},
     {<<".*">>, []}
  ],
  [
     {"4.3.0", [
-      {load_module, emqx_exproto_conn, brutal_purge, soft_purge, []}
+      {load_module, emqx_exproto_conn, brutal_purge, soft_purge, []},
+      {load_module, emqx_exproto_channel, brutal_purge, soft_purge, []}
     ]},
     {<<".*">>, []}
  ]