diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index d16ae9c4f..0d4d2d2c2 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,13 +1,13 @@
 Change Log
 ==========
 All notable changes to this project will be documented in this file.
-This project adheres to `Semantic Versioning <http://semver.org/>`_.
+This project adheres to `Semantic Versioning <http://semver.org/>`_ after 2-1.
 
-`Unreleased`_ - unreleased
---------------------------
-Added:
+`2-1`_ - 2017-08-30
+-------------------
+Changed:
 
-- Nothing yet
+- Major refactor, many breaking changes
 
 `2-0a6`_ - 2016-10-03
 ---------------------
@@ -54,7 +54,8 @@ Added:
 
 - Initial release with hello world and websocket comms
 
-.. _Unreleased: https://github.com/dls-controls/pymalcolm/compare/2-0a6...HEAD
+.. _Unreleased: https://github.com/dls-controls/pymalcolm/compare/2-1...HEAD
+.. _2-0a6: https://github.com/dls-controls/pymalcolm/compare/2-0a6...2-1
 .. _2-0a6: https://github.com/dls-controls/pymalcolm/compare/2-0a5...2-0a6
 .. _2-0a5: https://github.com/dls-controls/pymalcolm/compare/2-0a4...2-0a5
 .. _2-0a4: https://github.com/dls-controls/pymalcolm/compare/2-0a3...2-0a4
diff --git a/malcolm/version.py b/malcolm/version.py
index 929e1b47c..d980f276a 100644
--- a/malcolm/version.py
+++ b/malcolm/version.py
@@ -1 +1 @@
-__version__ = '2.1a1'
+__version__ = '2.1'