diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4c00c78..cd81cf7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 ## 4.1.1
 * [Add missing types for addLevels](https://github.com/log4js-node/log4js-node/pull/867) - thanks [@Ivkaa](https://github.com/Ivkaa)
+* [Allow any return type for layout function](https://github.com/log4js-node/log4js-node/pull/845) - thanks [@xinbenlv](https://github.com/xinbenlv)
 
 ## 4.1.0