diff --git a/CHANGELOG b/CHANGELOG
index 508146be..5cc77536 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,7 @@
+v2.2.0:
+  date: 2017-03-01
+  changes:
+    - Update uglify-js to v2.8.3.
 v2.1.0:
   date: 2017-02-08
   changes:
diff --git a/README.md b/README.md
index 6ec9639b..fdb622d5 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# grunt-contrib-uglify v2.1.0 [![Build Status: Linux](https://travis-ci.org/gruntjs/grunt-contrib-uglify.svg?branch=master)](https://travis-ci.org/gruntjs/grunt-contrib-uglify) [![Build Status: Windows](https://ci.appveyor.com/api/projects/status/ybtf5vbvtenii561/branch/master?svg=true)](https://ci.appveyor.com/project/gruntjs/grunt-contrib-uglify/branch/master)
+# grunt-contrib-uglify v2.2.0 [![Build Status: Linux](https://travis-ci.org/gruntjs/grunt-contrib-uglify.svg?branch=master)](https://travis-ci.org/gruntjs/grunt-contrib-uglify) [![Build Status: Windows](https://ci.appveyor.com/api/projects/status/ybtf5vbvtenii561/branch/master?svg=true)](https://ci.appveyor.com/project/gruntjs/grunt-contrib-uglify/branch/master)
 
 > Minify JavaScript files with UglifyJS
 
@@ -549,6 +549,7 @@ grunt.initConfig({
 
 ## Release History
 
+ * 2017-03-01   v2.2.0   Update uglify-js to v2.8.3.
  * 2017-02-08   v2.1.0   Show size changes in output. Switch to `object.assign`.
  * 2016-07-19   v2.0.0   Update uglify-js to v2.7.0. `screwIE8` is enabled by default.
  * 2016-07-19   v1.0.2   Update grunt to ^1.0.0. Fix `beautify` when passed as an object. Fix docs about `report` values.
@@ -589,4 +590,4 @@ grunt.initConfig({
 
 Task submitted by ["Cowboy" Ben Alman](http://benalman.com)
 
-*This file was generated on Tue Feb 28 2017 15:58:04.*
+*This file was generated on Wed Mar 01 2017 09:37:05.*
diff --git a/package.json b/package.json
index b233d642..93b24a4c 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "grunt-contrib-uglify",
   "description": "Minify JavaScript files with UglifyJS",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "author": {
     "name": "Grunt Team",
     "url": "http://gruntjs.com/"