diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8e88088..fc1fe26 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,3 +10,5 @@ The format is based on [Keep a Changelog](https://keepachangelog.com), and this
 
 ### Added
 - Rewrite using TypeScript
+- Support tree shaking
+- Bundle for ESM, CJS, and UMD