diff --git a/lib/src/widget/overlay.dart b/lib/src/widget/overlay.dart
index 30e8e3e..4a8cda6 100644
--- a/lib/src/widget/overlay.dart
+++ b/lib/src/widget/overlay.dart
@@ -194,6 +194,7 @@ class _OverlayEntryWidgetState extends State<_OverlayEntryWidget> {
   @override
   void dispose() {
     widget.entry._updateMounted(false);
+    widget.entry.dispose();
     super.dispose();
   }