diff --git a/packages/google_ml_kit/example/lib/vision_detector_views/painters/object_detector_painter.dart b/packages/google_ml_kit/example/lib/vision_detector_views/painters/object_detector_painter.dart
index 6f5d755d..b2caeb2d 100644
--- a/packages/google_ml_kit/example/lib/vision_detector_views/painters/object_detector_painter.dart
+++ b/packages/google_ml_kit/example/lib/vision_detector_views/painters/object_detector_painter.dart
@@ -63,7 +63,5 @@ class ObjectDetectorPainter extends CustomPainter {
   }
 
   @override
-  bool shouldRepaint(covariant CustomPainter oldDelegate) {
-    return false;
-  }
+  bool shouldRepaint(covariant CustomPainter oldDelegate) => true;
 }