diff --git a/apps/emqx_plugin_libs/src/emqx_plugin_libs.app.src b/apps/emqx_plugin_libs/src/emqx_plugin_libs.app.src
index 7b7dcbc07..67337af21 100644
--- a/apps/emqx_plugin_libs/src/emqx_plugin_libs.app.src
+++ b/apps/emqx_plugin_libs/src/emqx_plugin_libs.app.src
@@ -1,6 +1,6 @@
 {application, emqx_plugin_libs,
  [{description, "EMQ X Plugin utility libs"},
-  {vsn, "4.4.0"},
+  {vsn, "4.4.1"},
   {modules, []},
   {applications, [kernel,stdlib]},
   {env, []}
diff --git a/apps/emqx_plugin_libs/src/emqx_plugin_libs.appup.src b/apps/emqx_plugin_libs/src/emqx_plugin_libs.appup.src
index 9cd66269c..64e2b7d24 100644
--- a/apps/emqx_plugin_libs/src/emqx_plugin_libs.appup.src
+++ b/apps/emqx_plugin_libs/src/emqx_plugin_libs.appup.src
@@ -1,16 +1,13 @@
-%% -*-: erlang -*-
-
+%% -*- mode: erlang -*-
 {VSN,
-  [
-    {<<"4.3.0">>, [
-      {load_module, emqx_plugin_libs_ssl, brutal_purge, soft_purge, []}
+  [{"4.4.0",
+    [ {load_module,emqx_slow_subs,brutal_purge,soft_purge,[]}
+    , {load_module,emqx_slow_subs_api,brutal_purge,soft_purge,[]}
     ]},
-    {<<".*">>, []}
-  ],
-  [
-    {<<"4.3.0">>, [
-      {load_module, emqx_plugin_libs_ssl, brutal_purge, soft_purge, []}
+   {<<".*">>,[]}],
+  [{"4.4.0",
+    [ {load_module,emqx_slow_subs,brutal_purge,soft_purge,[]}
+    , {load_module,emqx_slow_subs_api,brutal_purge,soft_purge,[]}
     ]},
-    {<<".*">>, []}
-  ]
+   {<<".*">>,[]}]
 }.