diff --git a/src/emqttd.app.src b/src/emqttd.app.src
index d970a9e01..6bda6f2de 100644
--- a/src/emqttd.app.src
+++ b/src/emqttd.app.src
@@ -1,7 +1,7 @@
 {application, emqttd,
  [
   {description, "Erlang MQTT Broker"},
-  {vsn, "0.12.0"},
+  {vsn, "0.12.1"},
   {modules, []},
   {registered, []},
   {applications, [kernel,