diff --git a/CHANGELOG.md b/CHANGELOG.md
index 99b01660..e995bb45 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## [Unreleased](https://github.com/yykamei/rails_band/tree/HEAD)
+
+[Full Changelog](https://github.com/yykamei/rails_band/compare/v0.6.1...HEAD)
+
+**Breaking changes:**
+
+- Remove `#children` fron `BaseEvent` [\#90](https://github.com/yykamei/rails_band/pull/90) ([yykamei](https://github.com/yykamei))
+
 ## [v0.6.1](https://github.com/yykamei/rails_band/tree/v0.6.1) (2022-04-01)
 
 [Full Changelog](https://github.com/yykamei/rails_band/compare/v0.6.0...v0.6.1)