diff --git a/engine/src/flutter/lib/web_ui/lib/src/engine/semantics/semantics.dart b/engine/src/flutter/lib/web_ui/lib/src/engine/semantics/semantics.dart
index d571e631c88..014fffbbd96 100644
--- a/engine/src/flutter/lib/web_ui/lib/src/engine/semantics/semantics.dart
+++ b/engine/src/flutter/lib/web_ui/lib/src/engine/semantics/semantics.dart
@@ -2477,6 +2477,7 @@ class EngineSemantics {
     final PlatformConfiguration newConfiguration = EnginePlatformDispatcher.instance.configuration
         .copyWith(accessibilityFeatures: original.copyWith(accessibleNavigation: value));
     EnginePlatformDispatcher.instance.configuration = newConfiguration;
+    EnginePlatformDispatcher.instance.invokeOnAccessibilityFeaturesChanged();
 
     _semanticsEnabled = value;
 
diff --git a/engine/src/flutter/lib/web_ui/test/engine/window_test.dart b/engine/src/flutter/lib/web_ui/test/engine/window_test.dart
index 73a2bd50a16..822520cf968 100644
--- a/engine/src/flutter/lib/web_ui/test/engine/window_test.dart
+++ b/engine/src/flutter/lib/web_ui/test/engine/window_test.dart
@@ -334,6 +334,19 @@ Future<void> testMain() async {
     EnginePlatformDispatcher.instance.invokeOnAccessibilityFeaturesChanged();
   });
 
+  test('onAccessibilityFeaturesChanged is called when semantics is enabled', () {
+    bool a11yChangeInvoked = false;
+    myWindow.onAccessibilityFeaturesChanged = () {
+      a11yChangeInvoked = true;
+    };
+
+    expect(EngineSemantics.instance.semanticsEnabled, isFalse);
+    EngineSemantics.instance.semanticsEnabled = true;
+
+    expect(EngineSemantics.instance.semanticsEnabled, isTrue);
+    expect(a11yChangeInvoked, isTrue);
+  });
+
   test('onPlatformMessage preserves the zone', () {
     final Zone innerZone = Zone.current.fork();
 
diff --git a/packages/flutter/lib/src/semantics/binding.dart b/packages/flutter/lib/src/semantics/binding.dart
index e09ab653843..b02315df9ea 100644
--- a/packages/flutter/lib/src/semantics/binding.dart
+++ b/packages/flutter/lib/src/semantics/binding.dart
@@ -10,6 +10,7 @@ library;
 import 'dart:ui' as ui show AccessibilityFeatures, SemanticsActionEvent, SemanticsUpdateBuilder;
 
 import 'package:flutter/foundation.dart';
+import 'package:flutter/scheduler.dart';
 import 'package:flutter/services.dart';
 
 import 'debug.dart';
@@ -26,7 +27,17 @@ mixin SemanticsBinding on BindingBase {
     platformDispatcher
       ..onSemanticsEnabledChanged = _handleSemanticsEnabledChanged
       ..onSemanticsActionEvent = _handleSemanticsActionEvent
-      ..onAccessibilityFeaturesChanged = handleAccessibilityFeaturesChanged;
+      ..onAccessibilityFeaturesChanged = () {
+        // TODO(chunhtai): Web should not notify accessibility feature changes during updateSemantics
+        // https://github.com/flutter/flutter/issues/158399
+        if (SchedulerBinding.instance.schedulerPhase == SchedulerPhase.persistentCallbacks) {
+          SchedulerBinding.instance.addPostFrameCallback((Duration duration) {
+            handleAccessibilityFeaturesChanged();
+          }, debugLabel: 'SemanticsBinding.handleAccessibilityFeaturesChanged');
+        } else {
+          handleAccessibilityFeaturesChanged();
+        }
+      };
     _handleSemanticsEnabledChanged();
   }
 
diff --git a/packages/flutter/test/material/app_test.dart b/packages/flutter/test/material/app_test.dart
index af9e0565ea7..ee04f3d2524 100644
--- a/packages/flutter/test/material/app_test.dart
+++ b/packages/flutter/test/material/app_test.dart
@@ -425,7 +425,7 @@ void main() {
     // didChangeAccessibilityFeatures
     tester.platformDispatcher.accessibilityFeaturesTestValue = FakeAccessibilityFeatures.allOn;
 
-    await tester.pump();
+    await tester.pumpAndSettle();
 
     expect(routeBuildCount, equals(1));
     expect(dependentBuildCount, equals(5));
diff --git a/packages/flutter/test/widgets/media_query_test.dart b/packages/flutter/test/widgets/media_query_test.dart
index 8ca9fddcf8b..6f671c3841b 100644
--- a/packages/flutter/test/widgets/media_query_test.dart
+++ b/packages/flutter/test/widgets/media_query_test.dart
@@ -451,7 +451,7 @@ void main() {
 
     expect(data.accessibleNavigation, true);
     tester.platformDispatcher.accessibilityFeaturesTestValue = const FakeAccessibilityFeatures();
-    await tester.pump();
+    await tester.pumpAndSettle();
     expect(data.accessibleNavigation, false);
     expect(rebuildCount, 4);
 
@@ -512,7 +512,7 @@ void main() {
 
     expect(data.accessibleNavigation, true);
     tester.platformDispatcher.accessibilityFeaturesTestValue = const FakeAccessibilityFeatures();
-    await tester.pump();
+    await tester.pumpAndSettle();
     expect(data.accessibleNavigation, true);
     expect(rebuildCount, 1);