diff --git a/CHANGELOG.md b/CHANGELOG.md
index ad26cb46..eed4edf9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelogs
 
+## Unreleased
+* [feat] add `layerChanged` event when a layer is added or removed
+
 ## 3.4.3-beta
 
 * [bugfix] zoom control buttons