diff --git a/CHANGELOG.md b/CHANGELOG.md
index 046fd33..4c76e05 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,35 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/) and this project adheres to [Semantic Versioning](https://semver.org/).
 
+## [Released](https://github.com/dc7290/microcms-richedit-processer/releases)
+
+## [1.2.0](https://github.com/dc7290/microcms-richedit-processer/compare/1.1.0...1.2.0) (2023-01-15)
+
+
+### Features
+
+* 🚀 Update dependency node-html-parser to v6 ([bf94926](https://github.com/dc7290/microcms-richedit-processer/commit/bf94926610dff4f0899cfd18adbae4db670c5493))
+
+
+### Bug Fixes
+
+* 🐛 Fixed error in res.buffer ([862eddb](https://github.com/dc7290/microcms-richedit-processer/commit/862eddbcb93f7232c3a89fa7bb88bbfcd7805fbb)), closes [#192](https://github.com/dc7290/microcms-richedit-processer/issues/192)
+* 🐛 Update dependency image-size to v1.0.2 ([9e9319a](https://github.com/dc7290/microcms-richedit-processer/commit/9e9319a22279ddb4b4c0342f8cc2a671e50f3c46))
+
+
+### Continuous Integration
+
+* 🎡 Added semantic-release ([ab637db](https://github.com/dc7290/microcms-richedit-processer/commit/ab637db958b76eda8c4db02ac78d9c42e430c83c))
+* 🎡 Change toke name ([0e94898](https://github.com/dc7290/microcms-richedit-processer/commit/0e94898d765fa28c9f171536adcfdbd59557969f))
+* 🎡 setup semantic-release-cli ([637c241](https://github.com/dc7290/microcms-richedit-processer/commit/637c2411c9a1c4f8bbc5c91d9d6365c9c37723fd))
+* 🎡 Update ESLint settings ([9f13d4e](https://github.com/dc7290/microcms-richedit-processer/commit/9f13d4e10b1f11f3b067a0dae1d8cd8fd6311f8d))
+
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/) and this project adheres to [Semantic Versioning](https://semver.org/).
+
 ## [Released]
 
 ## [1.1.0](https://github.com/dc7290/microcms-richedit-processer/releases) (2022-05-24)
diff --git a/package.json b/package.json
index f4ba416..851c77e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "microcms-richedit-processer",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "description": "microCMSのリッチエディタから取得した値を加工したり、目次リストを作成します。",
   "keywords": [
     "microCMS",