diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..5be54a6
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,25 @@
+# Changelog
+
+All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
+
+## 2.0.0 (2021-07-26)
+
+
+### ⚠ BREAKING CHANGES
+
+* disqus are unavailable now
+* all experimental features are unavailable now
+
+### Features
+
+* migrate to gatsby@3.0 ([20b5b2f](https://github.com/jctaoo/stella/commit/20b5b2f100de7b5c0194cf75604904e8a8bc8477))
+* remove disqus totally ([ac179ee](https://github.com/jctaoo/stella/commit/ac179ee9f879566d99832e5eed900c00539a1f97))
+* support katex ([575e1e2](https://github.com/jctaoo/stella/commit/575e1e27e0d0b1a1019268a6a25e3d8b00962951))
+* update reading page style / migrate processor to some gatsby plugins ([89624b0](https://github.com/jctaoo/stella/commit/89624b0f4a7b7ba67f4401f9f674cc9b78f58559))
+* using gatsby-plugin-filesystem to process content and support hot reload now ([a03f61d](https://github.com/jctaoo/stella/commit/a03f61d9d81df9188dba2f9865b805fadf131df8)), closes [#5](https://github.com/jctaoo/stella/issues/5)
+
+
+### Bug Fixes
+
+* import 'dayjs/plugin/duration' when using duration to fix typescript error\ ([2cedb1c](https://github.com/jctaoo/stella/commit/2cedb1c91a2079736c2689324d258c88aab4ece2))
+* remove DEV_SSR to clean ssr warnings ([916d4ac](https://github.com/jctaoo/stella/commit/916d4ac3b6b2418195a875dfdac847b472f7e56e))
diff --git a/package.json b/package.json
index 8b3bb72..3f0470b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "setlla",
-  "version": "1.0.0",
+  "version": "2.0.0",
   "license": "0BSD",
   "private": false,
   "repository": "https://github.com/jctaoo/stella",