diff --git a/examples/api/lib/widgets/heroes/hero.1.dart b/examples/api/lib/widgets/heroes/hero.1.dart
index b226feaa59b..f2da451fd64 100644
--- a/examples/api/lib/widgets/heroes/hero.1.dart
+++ b/examples/api/lib/widgets/heroes/hero.1.dart
@@ -41,7 +41,7 @@ class HeroExample extends StatelessWidget {
               tag: 'hero-default-tween',
               child: BoxWidget(
                 size: const Size(50.0, 50.0),
-                color: Colors.red[700]!.withOpacity(0.5),
+                color: Colors.red[700]!.withValues(alpha: 0.5),
               ),
             ),
             title: const Text(
@@ -57,7 +57,7 @@ class HeroExample extends StatelessWidget {
               },
               child: BoxWidget(
                 size: const Size(50.0, 50.0),
-                color: Colors.blue[700]!.withOpacity(0.5),
+                color: Colors.blue[700]!.withValues(alpha: 0.5),
               ),
             ),
             title: const Text(