diff --git a/CHANGELOG.md b/CHANGELOG.md
index 06b8d67..ff7b231 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # rollup changelog
 
+## 0.40.0
+
+* [BREAKING] Better, more consistent error logging ([#1212](https://github.com/rollup/rollup/pull/1212))
+* Don't use colours and emojis for non-TTY stderr ([#1201](https://github.com/rollup/rollup/issues/1201))
+
 ## 0.39.2
 
 * Prevent mutation of cached ASTs (fixes stack overflow with rollup-watch) ([#1205](https://github.com/rollup/rollup/pull/1205))
diff --git a/package.json b/package.json
index b7a285d..0ae3125 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "rollup",
-  "version": "0.39.2",
+  "version": "0.40.0",
   "description": "Next-generation ES6 module bundler",
   "main": "dist/rollup.js",
   "module": "dist/rollup.es.js",