diff --git a/Makefile b/Makefile
index eee4adc4d..913f11b89 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 PROJECT = emqttd
 PROJECT_DESCRIPTION = Erlang MQTT Broker
-PROJECT_VERSION = 2.1
+PROJECT_VERSION = 2.1.0
 
 NO_AUTOPATCH = cuttlefish