diff --git a/CHANGES.md b/CHANGES.md
index 52d59ec0..f9d69925 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,6 +1,8 @@
 # DurianSwt releases
 
 ## [Unreleased]
+### Changed
+- Convert `ControlWrapper` and `Shells` to kotlin for better nullability. ([#27](https://github.com/diffplug/durian-swt/pull/27))
 
 ## [4.3.0] - 2023-12-08
 ### Added