diff --git a/CHANGELOG.md b/CHANGELOG.md
index a74e3aeb5..04ed16428 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,14 @@
 emqttd ChangeLog
 ==================
 
+0.12.3-beta (2015-10-22)
+-------------------------
+
+Bugfix: emqttd_sysmon crasher for 'undefined' process_info (#350)
+
+Bugfix: emqttd_client: catch parser exception (#353)
+
+
 0.12.2-beta (2015-10-16)
 -------------------------
 
diff --git a/src/emqttd.app.src b/src/emqttd.app.src
index cdffc28bc..c35f7465d 100644
--- a/src/emqttd.app.src
+++ b/src/emqttd.app.src
@@ -1,8 +1,8 @@
 {application, emqttd,
  [
-  {description, "Erlang MQTT Broker"},
   {id, "emqttd"},
-  {vsn, "0.12.2"},
+  {vsn, "0.12.3"},
+  {description, "Erlang MQTT Broker"},
   {modules, []},
   {registered, []},
   {applications, [kernel,