Update CHANGELOG.md

CHANGELOG.md

@@ -4,6 +4,13 @@ All notable changes to this project will be documented in this file.
 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).
 
+## [0.9.0] - 2022-01-14
+### Added
+- Added Python 3.8 and some libraries for the rollups-examples echo-dapp
+
+### Changed
+- Updated machine-emulator-tools to v0.5.0
+
 ## [0.8.0] - 2021-12-21
 ### Changed
 - Updated toolchain version to v0.7.0
@@ -12,6 +19,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Previous Versions]
 
+[0.9.0]: https://github.com/cartesi/image-rootfs/releases/tag/v0.9.0
 [0.8.0]: https://github.com/cartesi/image-rootfs/releases/tag/v0.8.0
 [0.7.0]: https://github.com/cartesi/image-rootfs/releases/tag/v0.7.0
 [0.6.0]: https://github.com/cartesi/image-rootfs/releases/tag/v0.6.0