Update changelog

CHANGELOG.md

@@ -9,6 +9,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 These changes will be included in the next release.
 
+
+## [0.2.3] - 2021-02-24
+
+Add support for Python >= 3.6 and other minor changes and bug fixes
+
 ### Added
 
 - Badges for DOI and PyPI versions.
@@ -81,7 +86,8 @@ First public release.
 
 - Original `GWFlowProposal` method renamed to `LegacyGWFlowProposal`. Will be removed in the next release.
 
-[Unreleased]: https://github.com/mj-will/nessai/compare/v0.2.2...HEAD
+[Unreleased]: https://github.com/mj-will/nessai/compare/v0.2.3...HEAD
+[0.2.3]: https://github.com/mj-will/nessai/compare/v0.2.2...v0.2.3
 [0.2.2]: https://github.com/mj-will/nessai/compare/v0.2.1...v0.2.2
 [0.2.1]: https://github.com/mj-will/nessai/compare/v0.2.0...v0.2.1
 [0.2.0]: https://github.com/mj-will/nessai/compare/v0.1.1...v0.2.0