diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0544f94..066386a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
-## [2.0.0] - unreleased
+## [2.0.0] - 2018-01-17
+
+### Added
+
+- Added a `transform_layer_index` keyword and `transform` method to the 
+  MLPClassifier and MLPRegressor to extract features from a hidden layer (#62).
 
 ### Changed
 
diff --git a/muffnn/version.py b/muffnn/version.py
index 3926a72..e8d97c3 100644
--- a/muffnn/version.py
+++ b/muffnn/version.py
@@ -1,2 +1,2 @@
 # Note that this file will be executed by setup.py.
-__version__ = '1.2.0'
+__version__ = '2.0.0'