Fix readme URLs
diff --git a/README.md b/README.md
index 5bea7bb..a482357 100644
--- a/README.md
+++ b/README.md
@@ -5,13 +5,13 @@
`onConnection` callback with a [WebSocketChannel][] object for every
connection that's established.
-[Shelf]: https://pub.dartlang.org/packages/shelf
+[Shelf]: https://pub.dev/packages/shelf
[WebSocket]: https://tools.ietf.org/html/rfc6455
-[webSocketHandler]: https://pub.dartlang.org/documentation/shelf_web_socket/latest/shelf_web_socket/webSocketHandler.html
+[webSocketHandler]: https://pub.dev/documentation/shelf_web_socket/latest/shelf_web_socket/webSocketHandler.html
-[WebSocketChannel]: https://pub.dartlang.org/documentation/web_socket_channel/latest/web_socket_channel/WebSocketChannel-class.html
+[WebSocketChannel]: https://pub.dev/documentation/web_socket_channel/latest/web_socket_channel/WebSocketChannel-class.html
```dart
import 'package:shelf/shelf_io.dart' as shelf_io;