diff --git a/CHANGELOG.md b/CHANGELOG.md
index 47f6775..41507b7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 3.1.0
+
+- Migrated deprecated `MaterialStateProperty` to `WidgetStateProperty`.
+- Fixed `widget.thumbColor` not working. [#34](https://github.com/xsahil03x/before_after/issues/34)
+
 ## 3.0.0+1
 
 - Add live demo link to README.
diff --git a/pubspec.yaml b/pubspec.yaml
index 602ec4c..eeafc79 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,7 +1,7 @@
 name: before_after
 homepage: https://github.com/xsahil03x/before_after
 description: A flutter package which makes it easier to display the difference between two images.
-version: 3.0.0+1
+version: 3.1.0
 repository: https://github.com/xsahil03x/before_after
 issue_tracker: https://github.com/xsahil03x/before_after/issues