diff --git a/CHANGELOG.md b/CHANGELOG.md
index 398f2c81..494d4bad 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 4.0.1
+
+* Update xhr transport to migrate off legacy JS/HTML apis.
+
 ## 4.0.0
 
 * Set compressed flag correctly for grpc-encoding = identity. Fixes [#669](https://github.com/grpc/grpc-dart/issues/669) (https://github.com/grpc/grpc-dart/pull/693)
diff --git a/lib/grpc_or_grpcweb.dart b/lib/grpc_or_grpcweb.dart
index dffbde2e..049ceabf 100644
--- a/lib/grpc_or_grpcweb.dart
+++ b/lib/grpc_or_grpcweb.dart
@@ -13,8 +13,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-import 'src/client/grpc_or_grpcweb_channel_web.dart'
-    if (dart.library.io) 'src/client/grpc_or_grpcweb_channel_grpc.dart';
+import 'src/client/grpc_or_grpcweb_channel_grpc.dart'
+    if (dart.library.js_interop) 'src/client/grpc_or_grpcweb_channel_web.dart';
 import 'src/client/http2_channel.dart';
 import 'src/client/options.dart';
 
diff --git a/pubspec.yaml b/pubspec.yaml
index f455f33e..7dcca90b 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,11 +1,11 @@
 name: grpc
 description: Dart implementation of gRPC, a high performance, open-source universal RPC framework.
-version: 4.0.0
+version: 4.0.1
 
 repository: https://github.com/grpc/grpc-dart
 
 environment:
-  sdk: ^3.2.0
+  sdk: ^3.4.0
 
 dependencies:
   async: ^2.5.0