diff --git a/apps/emqtt/src/emqtt.app.src b/apps/emqtt/src/emqtt.app.src
index 6f545b0bc..c444276fa 100644
--- a/apps/emqtt/src/emqtt.app.src
+++ b/apps/emqtt/src/emqtt.app.src
@@ -1,7 +1,7 @@
 {application, emqtt,
  [
   {description, "Erlang MQTT Common Library"},
-  {vsn, "0.8.2"},
+  {vsn, "0.8.3"},
   {modules, []},
   {registered, []},
   {applications, [
diff --git a/apps/emqttd/src/emqttd.app.src b/apps/emqttd/src/emqttd.app.src
index a6004f473..5c3347f27 100644
--- a/apps/emqttd/src/emqttd.app.src
+++ b/apps/emqttd/src/emqttd.app.src
@@ -1,7 +1,7 @@
 {application, emqttd,
  [
   {description, "Erlang MQTT Broker"},
-  {vsn, "0.8.2"},
+  {vsn, "0.8.3"},
   {modules, []},
   {registered, []},
   {applications, [kernel,
diff --git a/rel/reltool.config b/rel/reltool.config
index 1ea929f55..f26654f74 100644
--- a/rel/reltool.config
+++ b/rel/reltool.config
@@ -4,7 +4,7 @@
        {lib_dirs, ["../apps", "../deps", "../plugins"]},
        {erts, [{mod_cond, derived}, {app_file, strip}]},
        {app_file, strip},
-       {rel, "emqttd", "0.8.2",
+       {rel, "emqttd", "0.8.3",
         [
          kernel,
          stdlib,