diff --git a/lib/server.dart b/lib/server.dart
index 8d6a8628..f2374acc 100644
--- a/lib/server.dart
+++ b/lib/server.dart
@@ -9,6 +9,8 @@ import 'package:angel_auth/angel_auth.dart';
 import 'package:angel_framework/angel_framework.dart';
 import 'package:json_god/json_god.dart' as god;
 import 'package:merge_map/merge_map.dart';
+import 'package:web_socket_channel/io.dart';
+import 'package:web_socket_channel/web_socket_channel.dart';
 import 'angel_websocket.dart';
 export 'angel_websocket.dart';
 
@@ -108,7 +110,7 @@ class AngelWebSocket {
       var result = true;
       if (filter != null) result = await filter(client);
       if (result == true) {
-        client.io.add((serializer ?? god.serialize)(event.toJson()));
+        client.channel.sink.add((serializer ?? god.serialize)(event.toJson()));
       }
     });
 
@@ -330,7 +332,8 @@ class AngelWebSocket {
       ..end();
 
     var ws = await WebSocketTransformer.upgrade(req.io);
-    var socket = new WebSocketContext(ws, req, res);
+    var channel = new IOWebSocketChannel(ws);
+    var socket = new WebSocketContext(channel, req, res);
     _clients.add(socket);
     await handleConnect(socket);
 
@@ -364,5 +367,7 @@ class AngelWebSocket {
 abstract class WebSocketSynchronizer {
   Stream<WebSocketEvent> get stream;
 
+  Future close() => new Future.value();
+
   void notifyOthers(WebSocketEvent e);
 }
diff --git a/lib/websocket_context.dart b/lib/websocket_context.dart
index 7c97689f..fb4196dd 100644
--- a/lib/websocket_context.dart
+++ b/lib/websocket_context.dart
@@ -6,8 +6,8 @@ class WebSocketContext {
   /// Use this to listen for events.
   _WebSocketEventTable on = new _WebSocketEventTable();
 
-  /// The underlying [WebSocket] instance.
-  final WebSocket io;
+  /// The underlying [WebSocketChannel].
+  final WebSocketChannel channel;
 
   /// The original [RequestContext].
   final RequestContext request;
@@ -28,15 +28,14 @@ class WebSocketContext {
   /// Fired once the underlying [WebSocket] closes.
   Stream<Null> get onClose => _onClose.stream;
 
-  /// Fired when any data is sent through [io].
+  /// Fired when any data is sent through [channel].
   Stream get onData => _onData.stream;
 
-  WebSocketContext(WebSocket this.io, RequestContext this.request,
-      ResponseContext this.response);
+  WebSocketContext(this.channel, this.request, this.response);
 
   /// Closes the underlying [WebSocket].
   Future close([int code, String reason]) async {
-    await io.close(code, reason);
+    await channel.sink.close(code, reason);
     _onAction.close();
     _onData.close();
     _onClose.add(null);
@@ -45,7 +44,8 @@ class WebSocketContext {
 
   /// Sends an arbitrary [WebSocketEvent];
   void send(String eventName, data) {
-    io.add(god.serialize(new WebSocketEvent(eventName: eventName, data: data)));
+    channel.sink.add(
+        god.serialize(new WebSocketEvent(eventName: eventName, data: data)));
   }
 
   /// Sends an error event.
diff --git a/pubspec.yaml b/pubspec.yaml
index 828ce5d3..fc4e576d 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -2,7 +2,7 @@ name: angel_websocket
 description: WebSocket plugin for Angel.
 environment:
   sdk: ">=1.19.0"
-version: 1.1.0-alpha
+version: 1.1.0-alpha+1
 author: Tobe O <thosakwe@gmail.com>
 homepage: https://github.com/angel-dart/angel_websocket
 dependencies: