diff --git a/CHANGELOG.md b/CHANGELOG.md
index 77f80a6..063cc9a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## 1.21.0
+- ObserverController: 
+  - Add `onPrepareScrollToIndex` for `jumpTo` and `animateTo`.
+- NestedScrollUtil
+  - Add `jumpTo` and `animateTo` methods.
+
 ## 1.20.0
 - ObserverController
   - Add `observeIntervalForScrolling` to set the minimum amount of time to wait for firing observe callback during scrolling.
diff --git a/pubspec.yaml b/pubspec.yaml
index 857e013..4e31bd4 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: scrollview_observer
 description: A widget for observing data related to the child widgets being displayed in a ScrollView.
-version: 1.20.0
+version: 1.21.0
 homepage: https://github.com/fluttercandies/flutter_scrollview_observer
 
 environment: