diff --git a/CHANGELOG.md b/CHANGELOG.md
index 62a1fe80c..a398330e7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -93,6 +93,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
+- Updated `FishAudioTTSService` default model to `s1`.
+
 - Updated `daily-python` to 0.22.0.
 
 - `BaseTextAggregator` changes: