diff --git a/CHANGELOG.md b/CHANGELOG.md
index fbdd9e75a..c4ec900ae 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## [0.4.9] - 20220808.
+
+* bump polkawallet_sdk: 0.4.9.
+* ui update & bug fix.
+
 ## [0.4.8] - 20220621.
 
 * bump polkawallet_sdk: 0.4.8.
diff --git a/pubspec.yaml b/pubspec.yaml
index ba082d2c1..188f676a7 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: polkawallet_plugin_kusama
 description: The kusama/polkadot network flutter plugin for polkawallet app.
-version: 0.4.8
+version: 0.4.9
 homepage:
 
 environment:
@@ -17,8 +17,8 @@ dependencies:
   flutter_svg: ^1.0.3
   get_storage: ^2.0.3
   json_annotation: ^4.0.1
-  polkawallet_sdk: ^0.4.8
-  polkawallet_ui: ^0.4.8
+  polkawallet_sdk: ^0.4.9
+  polkawallet_ui: ^0.4.9
   fl_chart: ^0.40.2
   sticky_headers: ^0.2.0
   flutter_swiper: ^1.1.6