diff --git a/packages/pinball_flame/test/helpers/mocks.dart b/packages/pinball_flame/test/helpers/mocks.dart
index 758e7383..bf96390d 100644
--- a/packages/pinball_flame/test/helpers/mocks.dart
+++ b/packages/pinball_flame/test/helpers/mocks.dart
@@ -1,8 +1,10 @@
 import 'package:flame/components.dart';
 import 'package:flame_forge2d/flame_forge2d.dart';
+import 'package:mocktail/mocktail.dart';
 
-class MockForge2DGame extends Forge2DGame {}
+class MockForge2DGame extends Mock implements Forge2DGame {}
 
-class MockContactCallback extends ContactCallback<dynamic, dynamic> {}
+class MockContactCallback extends Mock
+    implements ContactCallback<dynamic, dynamic> {}
 
-class MockComponent extends Component {}
+class MockComponent extends Mock implements Component {}