CHANGELOG.md in unwrappr-0.4.0 vs CHANGELOG.md in unwrappr-0.5.0

- old
+ new
@@ -4,10 +4,35 @@
 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).
 
 ## [Unreleased]
 
-[Unreleased]: https://github.com/envato/unwrappr/compare/v0.4.0...HEAD
+[Unreleased]: https://github.com/envato/unwrappr/compare/v0.5.0...HEAD
+
+## [0.5.0] 2021-01-04
+
+### Add
+- Support for Ruby 3. ([#79])
+- Allow specification of base branch, upon which to base the pull-request
+  ([#80], [#84])
+
+### Changed
+- Moved CI to GitHub Actions ([#78])
+- Fixed homepage URL in gemspec ([#77])
+- Default branch is now `main`([#81])
+- Rename private predicate methods in GitCommandRunner to be more descriptive.
+  ([#82])
+- Upgrade Faraday dependency to version 1 ([#85])
+
+[0.5.0]: https://github.com/envato/unwrappr/compare/v0.4.0..v0.5.0
+[#77]: https://github.com/envato/unwrappr/pull/77
+[#78]: https://github.com/envato/unwrappr/pull/78
+[#79]: https://github.com/envato/unwrappr/pull/79
+[#80]: https://github.com/envato/unwrappr/pull/80
+[#81]: https://github.com/envato/unwrappr/pull/81
+[#82]: https://github.com/envato/unwrappr/pull/82
+[#84]: https://github.com/envato/unwrappr/pull/84
+[#85]: https://github.com/envato/unwrappr/pull/85
 
 ## [0.4.0] 2020-04-14
 ### Changed
 - `bundler-audit` limited to `>= 0.6.0` ([#71])
 