diff --git a/example/lib/main.dart b/example/lib/main.dart
index 3e860d6..7820550 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -444,7 +444,7 @@ class _CarouselWithIndicatorState extends State<CarouselWithIndicatorDemo> {
                     color: (Theme.of(context).brightness == Brightness.dark
                             ? Colors.white
                             : Colors.black)
-                        .withOpacity(_current == entry.key ? 0.9 : 0.4)),
+                        .withValues(alpha: _current == entry.key ? 0.9 : 0.4)),
               ),
             );
           }).toList(),