diff --git a/navigation_and_routing/lib/src/app.dart b/navigation_and_routing/lib/src/app.dart
index 04ec76454..95dcb3792 100644
--- a/navigation_and_routing/lib/src/app.dart
+++ b/navigation_and_routing/lib/src/app.dart
@@ -67,6 +67,7 @@ class _BookstoreState extends State<Bookstore> {
             // Revert back to pre-Flutter-2.5 transition behavior:
             // https://github.com/flutter/flutter/issues/82053
             theme: ThemeData(
+              useMaterial3: true,
               pageTransitionsTheme: const PageTransitionsTheme(
                 builders: {
                   TargetPlatform.android: FadeUpwardsPageTransitionsBuilder(),
diff --git a/navigation_and_routing/lib/src/screens/books.dart b/navigation_and_routing/lib/src/screens/books.dart
index 00cf01b0e..2646f1a25 100644
--- a/navigation_and_routing/lib/src/screens/books.dart
+++ b/navigation_and_routing/lib/src/screens/books.dart
@@ -52,6 +52,7 @@ class _BooksScreenState extends State<BooksScreen>
   Widget build(BuildContext context) => Scaffold(
         appBar: AppBar(
           title: const Text('Books'),
+          elevation: 8,
           bottom: TabBar(
             controller: _tabController,
             tabs: const [
diff --git a/navigation_and_routing/lib/src/screens/settings.dart b/navigation_and_routing/lib/src/screens/settings.dart
index d25ec1ba2..3519f3323 100644
--- a/navigation_and_routing/lib/src/screens/settings.dart
+++ b/navigation_and_routing/lib/src/screens/settings.dart
@@ -50,7 +50,7 @@ class SettingsContent extends StatelessWidget {
               'Settings',
               style: Theme.of(context).textTheme.headlineMedium,
             ),
-            ElevatedButton(
+            FilledButton(
               onPressed: () {
                 BookstoreAuthScope.of(context).signOut();
               },