diff --git a/CHANGELOG.md b/CHANGELOG.md
index 63d4af1d8..99f1ea7da 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Changelog
 
+## 0.4.0 (October 27, 2017)
+
+BREAKING CHANGES:
+
+- `keys`: use bcrypt plus salt
+
+FEATURES:
+
+- add support for signing via Ledger Nano
+
 ## 0.3.0 (September 22, 2017)
 
 BREAKING CHANGES: