diff --git a/CHANGELOG.md b/CHANGELOG.md
index 189e40b7..85a542b5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,11 @@
 # Changelog
 
 --------------------------------------------
+[0.4.0] - 2021.10.13
+
+* Add extended header support (#235)
+* Add iceGatheringTimeout for UaSettings.
+
 [0.3.9] - 2021.09.27
 
 * Upgrade flutter-webrtc to 0.6.8
diff --git a/pubspec.yaml b/pubspec.yaml
index 8d0f6a67..af1afc44 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: sip_ua
-version: 0.3.9
+version: 0.4.0
 description: A SIP UA stack for Flutter/Dart, based on flutter-webrtc, support iOS/Android/Destkop/Web.
 homepage: https://github.com/cloudwebrtc/dart-sip-ua
 environment: