diff --git a/packages/webview_flutter/webview_flutter_platform_interface/CHANGELOG.md b/packages/webview_flutter/webview_flutter_platform_interface/CHANGELOG.md
index 8f6c413..86b7933 100644
--- a/packages/webview_flutter/webview_flutter_platform_interface/CHANGELOG.md
+++ b/packages/webview_flutter/webview_flutter_platform_interface/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 1.9.1
+
+* Ignores unnecessary import warnings in preparation for [upcoming Flutter changes](https://github.com/flutter/flutter/pull/104231).
+
 ## 1.9.0
 
 * Adds the first iteration of the v4 webview_flutter interface implementation.
diff --git a/packages/webview_flutter/webview_flutter_platform_interface/lib/v4/src/types/load_request_params.dart b/packages/webview_flutter/webview_flutter_platform_interface/lib/v4/src/types/load_request_params.dart
index 2da51f8..a0d1c88 100644
--- a/packages/webview_flutter/webview_flutter_platform_interface/lib/v4/src/types/load_request_params.dart
+++ b/packages/webview_flutter/webview_flutter_platform_interface/lib/v4/src/types/load_request_params.dart
@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+// TODO(a14n): remove this import once Flutter 3.1 or later reaches stable (including flutter/flutter#104231)
+// ignore: unnecessary_import
 import 'dart:typed_data';
 
 import 'package:flutter/foundation.dart';
diff --git a/packages/webview_flutter/webview_flutter_platform_interface/pubspec.yaml b/packages/webview_flutter/webview_flutter_platform_interface/pubspec.yaml
index b3a20f8..c14df52 100644
--- a/packages/webview_flutter/webview_flutter_platform_interface/pubspec.yaml
+++ b/packages/webview_flutter/webview_flutter_platform_interface/pubspec.yaml
@@ -4,7 +4,7 @@
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+webview_flutter%22
 # NOTE: We strongly prefer non-breaking changes, even at the expense of a
 # less-clean API. See https://flutter.dev/go/platform-interface-breaking-changes
-version: 1.9.0
+version: 1.9.1
 
 environment:
   sdk: ">=2.12.0 <3.0.0"