diff --git a/CHANGELOG.md b/CHANGELOG.md
index d1fcd8e5750..3ec4cfc15b9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,12 @@
 # rollup changelog
 
+## 0.45.0
+
+* [BREAKING] `bundle.generate(...)` returns a Promise, so that `transformBundle` plugin hooks can be asynchronous ([#1474](https://github.com/rollup/rollup/issues/1474))
+
 ## 0.44.0
 
-* Don't extend existing globals, unless `options.extend` is true ([#827](https://github.com/rollup/rollup/issues/827))
+* [BREAKING] Don't extend existing globals, unless `options.extend` is true ([#827](https://github.com/rollup/rollup/issues/827))
 * Fix handling of catch clause parameters ([#1462](https://github.com/rollup/rollup/issues/1462))
 
 ## 0.43.1
diff --git a/package.json b/package.json
index 10914bab9c3..7c751e35f9a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "rollup",
-  "version": "0.44.0",
+  "version": "0.45.0",
   "description": "Next-generation ES6 module bundler",
   "main": "dist/rollup.js",
   "module": "dist/rollup.es.js",