diff --git a/HISTORY.rst b/HISTORY.rst
index 648098a..85fced0 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -3,6 +3,13 @@ History
 -------
 
 
+1.6.4 (2014-02-05)
+++++++++++++++++++
+
+- upgrade external wakatime package to v1.0.0
+- support for mercurial revision control
+
+
 1.6.3 (2014-01-15)
 ++++++++++++++++++
 
diff --git a/WakaTime.py b/WakaTime.py
index 6d3588d..8f8014f 100644
--- a/WakaTime.py
+++ b/WakaTime.py
@@ -5,7 +5,7 @@ Maintainer:  WakaTi.me <support@wakatime.com>
 Website:     https://www.wakati.me/
 ==========================================================="""
 
-__version__ = '1.6.3'
+__version__ = '1.6.4'
 
 import sublime
 import sublime_plugin