diff --git a/.gitignore b/.gitignore
index 613802978..8e6271dba 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,3 +26,5 @@ eunit.coverdata
 test/ct.cover.spec
 logs
 ct.coverdata
+.idea/
+emqttd.iml
diff --git a/src/emqttd.app.src b/src/emqttd.app.src
index 2f3f75de0..9b58ce3df 100644
--- a/src/emqttd.app.src
+++ b/src/emqttd.app.src
@@ -1,7 +1,7 @@
 {application, emqttd,
  [
   {description, "Erlang MQTT Broker"},
-  {vsn, "1.1.1"},
+  {vsn, "2.0"},
   {id, "emqttd"},
   {modules, []},
   {registered, []},