diff --git a/src/emqx.app.src b/src/emqx.app.src
index a46dcc9a8..5fbb99c9a 100644
--- a/src/emqx.app.src
+++ b/src/emqx.app.src
@@ -1,7 +1,7 @@
 {application, emqx,
  [{id, "emqx"},
   {description, "EMQ X"},
-  {vsn, "4.3.9"}, % strict semver, bump manually!
+  {vsn, "4.3.10"}, % strict semver, bump manually!
   {modules, []},
   {registered, []},
   {applications, [kernel,stdlib,gproc,gen_rpc,esockd,cowboy,sasl,os_mon]},
diff --git a/src/emqx.appup.src b/src/emqx.appup.src
index ef0feef95..f63090c19 100644
--- a/src/emqx.appup.src
+++ b/src/emqx.appup.src
@@ -1,7 +1,11 @@
 %% -*- mode: erlang -*-
 Instructions =
-{"4.3.9",
+{"4.3.10",
   [
+   %% app 4.3.9 was released in e4.3.4(enterprise) but not v4.3.9(opensource)
+   {"4.3.9", [
+     {load_module,emqx_frame,brutal_purge,soft_purge,[]}
+    ]},
    {"4.3.8", [
      {load_module,emqx_pqueue,brutal_purge,soft_purge,[]},
      {load_module,emqx_mqueue,brutal_purge,soft_purge,[]},
@@ -116,6 +120,14 @@ Instructions =
    ]},
    {<<".*">>,[]}],
   [
+   {"4.3.9", [
+     {load_module,emqx_frame,brutal_purge,soft_purge,[]}
+    ]},
+   {"4.3.8", [
+     {load_module,emqx_pqueue,brutal_purge,soft_purge,[]},
+     {load_module,emqx_mqueue,brutal_purge,soft_purge,[]},
+     {load_module,emqx_frame,brutal_purge,soft_purge,[]}
+    ]},
    {"4.3.7", [
      {load_module,emqx_alarm_handler,brutal_purge,soft_purge,[]},
      {load_module,emqx_misc,brutal_purge,soft_purge,[]},