diff --git a/lib/src/swipeable_cards_stack.dart b/lib/src/swipeable_cards_stack.dart
index 07a91dc..a574d7f 100644
--- a/lib/src/swipeable_cards_stack.dart
+++ b/lib/src/swipeable_cards_stack.dart
@@ -148,6 +148,12 @@ class _SwipeableCardsStackState extends State<SwipeableCardsStack>
     });
   }
 
+  @override
+  void dispose() {
+    _controller.dispose();
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     return Expanded(