CHANGELOG.md in jess-0.3.0 vs CHANGELOG.md in jess-0.4.0

@@ -6,10 +6,14 @@
 
 ## [Unreleased][]
 
 * Your contribution here!
 
+## [0.4.0][] (2018-01-03)
+
+* `extension_attributes` now responds to `_json` like other objects
+
 ## [0.3.0][] (2017-03-17)
 
 * Add `computers.all_ids` and `mobile_devices.all_ids`
 
 ## [0.2.0][] (2017-01-21)
@@ -19,8 +23,9 @@
 ## 0.1.0 (2016-10-03)
 
 * Initial release
 
 [Semver]: http://semver.org
-[Unreleased]: https://github.com/mattbrictson/jess/compare/v0.3.0...HEAD
+[Unreleased]: https://github.com/mattbrictson/jess/compare/v0.4.0...HEAD
+[0.4.0]: https://github.com/mattbrictson/jess/compare/v0.3.0...v0.4.0
 [0.3.0]: https://github.com/mattbrictson/jess/compare/v0.2.0...v0.3.0
 [0.2.0]: https://github.com/mattbrictson/jess/compare/v0.1.0...v0.2.0