diff --git a/src/emqttd.app.src b/src/emqttd.app.src
index 3a7ed3482..0b85fe0f0 100644
--- a/src/emqttd.app.src
+++ b/src/emqttd.app.src
@@ -1,6 +1,6 @@
 {application,emqttd,
              [{description,"Erlang MQTT Broker"},
-              {vsn,"2.2"},
+              {vsn,"2.3"},
               {modules,[]},
               {registered,[emqttd_sup]},
               {applications,[kernel,stdlib,gproc,lager,esockd,mochiweb,