diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..7e8f48d
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,25 @@
+# Changelog
+All notable changes to this package will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
+
+## 0.0.2 - 2021-08-13
+### Added
+- Update SimplygonMeshSimplifier to support Simplygon9 (requires USD 2.0.0-exp.1 package version)
+
+### Fixed
+- Fixed WorkingMesh name length termination
+- Fixed GetTriangleRange not respecting subMeshCount
+- Fixed missing MeshFilter causing Unity editor window updates to stall
+
+### Changed
+- Removed MeshDecimator simplifier since the project has been archived
+
+## 0.0.1
+- First internal build.
+
+#Contributors
+- Amir Ebrahimi
+- Elliot Cuzzillo
+- Yuangguang Liao
\ No newline at end of file
diff --git a/CHANGELOG.md.meta b/CHANGELOG.md.meta
new file mode 100644
index 0000000..33bc5aa
--- /dev/null
+++ b/CHANGELOG.md.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: e5af2bc35b5b4ca4e94f428655f2447e
+TextScriptImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: