diff --git a/Makefile b/Makefile
index 9d6c9088d..4778ebdbb 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 PROJECT = emqttd
 PROJECT_DESCRIPTION = Erlang MQTT Broker
-PROJECT_VERSION = 2.1.0
+PROJECT_VERSION = 2.1.1
 
 DEPS = goldrush gproc lager esockd mochiweb pbkdf2 lager_syslog