diff --git a/CHANGELOG.md b/CHANGELOG.md
index 361a5b222..63da66b8b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,13 +12,15 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ### Fixed
 ### Changed
 
+
 ## Release v1.5.1
 
 ### Added
 - GOEP Client: add goep_client_version_20_or_higher
-
+- ESP32: implement audio source
+ 
 ### Fixed
-- PBAP CLient: support disconnect while operation is ongoing
+- PBAP Client: support disconnect while operation is ongoing
 - PBAP Client: use SRM only if GOEP v2.0 or higher connection
 - PBAP Client: emit vCard entry data as PBAP_DATA_PACKET
 - L2CAP: limit remote MTU by local tx configuration in ERTM
@@ -26,7 +28,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ### Changed
 - Example: init SM if LE supported to avoid issue with Android Cross-Transport Key-Derivation
 - ESP32: update sdkconfig for esp-idf v4.3, disable Bluedroid host stack
-
+- ESP32: use I2S configuration from ESP32 LyraT V4.3
 
 ## Release v1.5.0