diff --git a/lib/carousel_slider.dart b/lib/carousel_slider.dart
index 44ea6c7..22e1935 100644
--- a/lib/carousel_slider.dart
+++ b/lib/carousel_slider.dart
@@ -91,6 +91,10 @@ class CarouselSliderState extends State<CarouselSlider>
     carouselState!.options = options;
     carouselState!.itemCount = widget.itemCount;
 
+    if (pageController != null) {
+      pageController?.dispose();
+      pageController = null;
+    }
     // pageController needs to be re-initialized to respond to state changes
     pageController = PageController(
       viewportFraction: options.viewportFraction,
@@ -294,6 +298,7 @@ class CarouselSliderState extends State<CarouselSlider>
 
   @override
   void dispose() {
+    pageController?.dispose();
     super.dispose();
     clearTimer();
   }