diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9c19a2d..cf0fcef 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,11 @@
 # Changelog
 
 --------------------------------------------
+[1.0.5] - 2022-05-31
+
+* Added Function(int currentAmount, int changedAmount)? onBufferedAmountChange callback (bufferedAmount should be set to non nullable after bufferedAmount implementation on all platforms).
+* Added Function(int currentAmount)? onBufferedAmountLow callback and bufferedAmountLowThreshold variable.
+
 [1.0.4] - 2022-05-08
 
 * Change to nullable track for replaceTrack/setTrack.
diff --git a/lib/src/rtc_data_channel.dart b/lib/src/rtc_data_channel.dart
index ffc4e39..de5692f 100644
--- a/lib/src/rtc_data_channel.dart
+++ b/lib/src/rtc_data_channel.dart
@@ -66,6 +66,8 @@ abstract class RTCDataChannel {
 
   Function(RTCDataChannelState state)? onDataChannelState;
   Function(RTCDataChannelMessage data)? onMessage;
+  Function(int currentAmount, int changedAmount)? onBufferedAmountChange;
+  Function(int currentAmount)? onBufferedAmountLow;
 
   /// Get current state.
   RTCDataChannelState? get state;
@@ -78,6 +80,9 @@ abstract class RTCDataChannel {
 
   int? get bufferedAmount;
 
+  /// Set threshold to trigger onBufferedAmountLow callback
+  int? bufferedAmountLowThreshold;
+
   /// Stream of state change events. Emits the new state on change.
   /// Closes when the [RTCDataChannel] is closed.
   late Stream<RTCDataChannelState> stateChangeStream;
diff --git a/pubspec.yaml b/pubspec.yaml
index 101c8f2..491917e 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: webrtc_interface
 description: WebRTC Interface for Dart-Web/Flutter.
-version: 1.0.4
+version: 1.0.5
 homepage: https://flutter-webrtc.org
 
 environment: