diff --git a/CHANGELOG.md b/CHANGELOG.md
index aaf0239..05d3572 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,16 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 
+## [2.1.0] - 2022-11-07
+### Changed
+
+- Sync with `zlib` 1.2.12.
+
+### Fixed
+
+- Updated comments in `tree.js` for Babel compatibility, #262.
+
+
 ## [2.0.4] - 2021-07-29
 ### Fixed
 
@@ -181,6 +191,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - First release.
 
 
+[2.1.0]: https://github.com/nodeca/pako/compare/2.0.4...2.1.0
 [2.0.4]: https://github.com/nodeca/pako/compare/2.0.3...2.0.4
 [2.0.3]: https://github.com/nodeca/pako/compare/2.0.2...2.0.3
 [2.0.2]: https://github.com/nodeca/pako/compare/2.0.1...2.0.2
diff --git a/package.json b/package.json
index 28cfaae..f23b8ef 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "pako",
   "description": "zlib port to javascript - fast, modularized, with browser support",
-  "version": "2.0.4",
+  "version": "2.1.0",
   "keywords": [
     "zlib",
     "deflate",