diff --git a/CHANGELOG.md b/CHANGELOG.md
index 02be14c..fd644bf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,17 @@
+## 0.4.0
+
+Add ```cleanCache``` api to clean the cache directory.
+
+Add ```mimeType``` attribute of ```Medium```.
+
+Add alternative media query syntax to support Android 11.
+
+Cache original image data to a cached file and keep original medium file extension in iOS.
+
+Fix a problem of collection possibly be nil.
+
+Update .gitignore file.
+
 ## 0.3.0
 
 Force ```getFile``` to use high quality format for videos in iOS platform.
diff --git a/pubspec.yaml b/pubspec.yaml
index 481e865..923359e 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: photo_gallery
 description: A Flutter plugin that retrieves images and videos from mobile native gallery.
-version: 0.3.0
+version: 0.4.0
 repository: https://github.com/Firelands128/photo_gallery
 
 environment: