diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7c15476b8..98ca322d2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -26,6 +26,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   pushed by the `BaseInputTransport` at Start and any time a
   `VADParamsUpdateFrame` is received.
 
+- Add support for Simli Trinity Avatars, a new `is_trinity_avatar` parameter is added to indicate whether the Simli `faceId` is a trinity faceId or not which is essential for getting a consistent experience with trinity faces.
+
 ### Changed
 
 - Two package dependencies have been updated: