diff --git a/Makefile b/Makefile
index b28e17ac1..8d1a3b162 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 PROJECT = emqttd
 PROJECT_DESCRIPTION = Erlang MQTT Broker
-PROJECT_VERSION = 2.3.8
+PROJECT_VERSION = 2.3.9
 
 DEPS = goldrush gproc lager esockd ekka mochiweb pbkdf2 lager_syslog bcrypt clique jsx
 
diff --git a/src/emqttd.app.src b/src/emqttd.app.src
index 4e3e2cdff..8846ef511 100644
--- a/src/emqttd.app.src
+++ b/src/emqttd.app.src
@@ -1,6 +1,6 @@
 {application,emqttd,
              [{description,"Erlang MQTT Broker"},
-              {vsn,"2.3.8"},
+              {vsn,"2.3.9"},
               {modules,[]},
               {registered,[emqttd_sup]},
               {applications,[kernel,stdlib,gproc,lager,esockd,mochiweb,