diff --git a/lib/src/vsync_provider.dart b/lib/src/vsync_provider.dart
index 602565b..3df6631 100644
--- a/lib/src/vsync_provider.dart
+++ b/lib/src/vsync_provider.dart
@@ -30,9 +30,12 @@ class __VsyncProviderState extends State<_VsyncProvider>
     duration: notificationHorizontalAnimationDuration,
   );
 
+  _NotificationController? _notificationController;
+
   @override
   Widget build(BuildContext context) {
-    return _NotificationController(
+    _notificationController?.state.overlay?.remove();
+    _notificationController ??= _NotificationController(
       state: _NotificationState(
         showController: _showController,
         verticalAnimationController: _verticalAnimationController,
@@ -40,6 +43,7 @@ class __VsyncProviderState extends State<_VsyncProvider>
       ),
       child: widget.child,
     );
+    return _notificationController!;
   }
 
   @override
@@ -47,6 +51,7 @@ class __VsyncProviderState extends State<_VsyncProvider>
     _showController.dispose();
     _verticalAnimationController.dispose();
     _horizontalAnimationController.dispose();
+    _notificationController?.state.overlay?.remove();
     super.dispose();
   }
 }
diff --git a/pubspec.yaml b/pubspec.yaml
index 421aede..9c0f2e3 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -4,7 +4,7 @@ version: 1.1.2
 repository: https://github.com/cb-cloud/flutter_in_app_notification
 
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=2.12.0 <4.0.0'
   flutter: ">=1.17.0"
 
 dependencies: