diff --git a/CHANGES-4.3.md b/CHANGES-4.3.md
index ac9a11a0d..c6bb1b34d 100644
--- a/CHANGES-4.3.md
+++ b/CHANGES-4.3.md
@@ -20,6 +20,8 @@ File format:
 - Fixed crash when shared persistent subscription [#8441]
 - Fixed issue in Lua hook that prevented messages from being
   rejected [#8535]
+- Fix ExProto UDP client keepalive checking error.
+  This causes the clients to not expire as long as a new UDP packet arrives [#8575]
 
 ### Enhancements
 - HTTP API(GET /rules/) support for pagination and fuzzy filtering. [#8450]
diff --git a/apps/emqx_exproto/src/emqx_exproto.appup.src b/apps/emqx_exproto/src/emqx_exproto.appup.src
index 96b3d9ea3..d6406b239 100644
--- a/apps/emqx_exproto/src/emqx_exproto.appup.src
+++ b/apps/emqx_exproto/src/emqx_exproto.appup.src
@@ -1,12 +1,7 @@
 %% -*- mode: erlang -*-
 %% Unless you know what you are doing, DO NOT edit manually!!
 {VSN,
-  [{"4.3.8",
-    [{load_module,emqx_exproto_conn,brutal_purge,soft_purge,[]},
-     {load_module,emqx_exproto_channel,brutal_purge,soft_purge,[]}]},
-   {<<"4\\.3\\.[6-7]">>,
-    [{load_module,emqx_exproto_channel,brutal_purge,soft_purge,[]}]},
-   {<<"4\\.3\\.[2-5]">>,
+  [{<<"4\\.3\\.[2-8]">>,
     [{load_module,emqx_exproto_conn,brutal_purge,soft_purge,[]},
      {load_module,emqx_exproto_channel,brutal_purge,soft_purge,[]}]},
    {<<"4\\.3\\.[0-1]">>,
@@ -15,12 +10,7 @@
      {load_module,emqx_exproto_conn,brutal_purge,soft_purge,[]},
      {load_module,emqx_exproto_channel,brutal_purge,soft_purge,[]}]},
    {<<".*">>,[]}],
-  [{"4.3.8",
-    [{load_module,emqx_exproto_conn,brutal_purge,soft_purge,[]},
-     {load_module,emqx_exproto_channel,brutal_purge,soft_purge,[]}]},
-   {<<"4\\.3\\.[6-7]">>,
-    [{load_module,emqx_exproto_channel,brutal_purge,soft_purge,[]}]},
-   {<<"4\\.3\\.[2-5]">>,
+  [{<<"4\\.3\\.[2-8]">>,
     [{load_module,emqx_exproto_conn,brutal_purge,soft_purge,[]},
      {load_module,emqx_exproto_channel,brutal_purge,soft_purge,[]}]},
    {<<"4\\.3\\.[0-1]">>,