diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5dbf221..e9049ee 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,15 +4,22 @@ All notable changes to the "wasm-fmt" extension will be documented in this file.
 
 Check [Keep a Changelog](http://keepachangelog.com/) for recommendations on how to structure this file.
 
+## [0.3.1]
+
+Support python in Notebook(ipynb) file.
+
 ## [0.3.0]
+
 Introduce new formatter: malva
 
 CSS/SCSS/SASS/LESS are supported.
 
 ## [0.2.3]
+
 tune c/cpp default style
 
 ## [0.2.2]
+
 use biome for js/ts formatter
 
 ## [0.2.1]