diff --git a/CHANGELOG.md b/CHANGELOG.md
index 33dd0a9..ab04a6d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # rollup changelog
 
+## 0.22.0
+
+* Duplicate warnings are squelched ([#362](https://github.com/rollup/rollup/issues/362))
+* Plugins can manipulate or override the `options` object ([#371](https://github.com/rollup/rollup/pull/371))
+
 ## 0.21.3
 
 * Validate option keys ([#348](https://github.com/rollup/rollup/pull/348))
diff --git a/package.json b/package.json
index 8d7bcbc..7fb8a19 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "rollup",
-  "version": "0.21.3",
+  "version": "0.22.0",
   "description": "Next-generation ES6 module bundler",
   "main": "dist/rollup.js",
   "jsnext:main": "src/rollup.js",