CHANGELOG.md in mongoid_orderable-5.1.0 vs CHANGELOG.md in mongoid_orderable-5.2.0

@@ -1,4 +1,9 @@
+### 5.2.0 (2018/05/01)
+
+* [#57](https://github.com/mongoid/mongoid_orderable/pull/57): Compatibility with Mongoid 7 - [@tomasc](https://github.com/tomasc).
+* [#52](https://github.com/mongoid/mongoid_orderable/pull/52): Test against Mongoid 6 - [@dblock](https://github.com/dblock).
+
 ### 5.1.0 (2017/06/04)
 
 * [#50](https://github.com/mongoid/mongoid_orderable/pull/50): Added Danger, PR linter - [@dblock](https://github.com/dblock).
 * [#51](https://github.com/mongoid/mongoid_orderable/pull/51): Added RuboCop - [@dblock](https://github.com/dblock).
 * [#49](https://github.com/mongoid/mongoid_orderable/pull/49): Fix orderable on embedded documents inside an inherited model - [@rafaelgaspar](https://github.com/rafaelgaspar).