diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8ba629a33..7b99ae72d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -43,6 +43,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
 ### Improvements
 
+* [#169](https://github.com/babylonlabs-io/babylon/pull/169) Change external events format
 * [#148](https://github.com/babylonlabs-io/babylon/pull/148) Add block results query
 
 ### Misc Improvements