diff --git a/dwds/lib/src/services/chrome_proxy_service.dart b/dwds/lib/src/services/chrome_proxy_service.dart
index bdb990872..3cf2674fc 100644
--- a/dwds/lib/src/services/chrome_proxy_service.dart
+++ b/dwds/lib/src/services/chrome_proxy_service.dart
@@ -859,6 +859,14 @@ ${globalLoadStrategy.loadModuleSnippet}("dart_sdk").developer.invokeExtension(
   static Future<T> _rpcNotSupportedFuture<T>(String method) {
     return Future.error(_rpcNotSupported(method));
   }
+
+  @override
+  Future<ProcessMemoryUsage> getProcessMemoryUsage() =>
+      _rpcNotSupportedFuture('getProcessMemoryUsage');
+
+  @override
+  Future<WebSocketTarget> getWebSocketTarget() =>
+      _rpcNotSupportedFuture('getWebSocketTarget');
 }
 
 /// The `type`s of [ConsoleAPIEvent]s that are treated as `stderr` logs.
diff --git a/dwds/pubspec.yaml b/dwds/pubspec.yaml
index 476e610e3..c23b1fdea 100644
--- a/dwds/pubspec.yaml
+++ b/dwds/pubspec.yaml
@@ -34,7 +34,7 @@ dependencies:
   source_maps: ^0.10.0
   sse: ^3.5.0
   # We pin the version because we implement the interface.
-  vm_service: 4.1.0
+  vm_service: 4.2.0
   web_socket_channel: ^1.0.0
   webkit_inspection_protocol: ^0.7.3