diff --git a/src/emqttd.app.src b/src/emqttd.app.src
index 5485a8d46..2f3f75de0 100644
--- a/src/emqttd.app.src
+++ b/src/emqttd.app.src
@@ -1,7 +1,7 @@
 {application, emqttd,
  [
   {description, "Erlang MQTT Broker"},
-  {vsn, "1.1"},
+  {vsn, "1.1.1"},
   {id, "emqttd"},
   {modules, []},
   {registered, []},