Prepare 6.1.5 release (#1951)

CHANGELOG.md

@@ -1,15 +1,21 @@
 # Change Log
 All notable changes to this project will be documented in this file based on the [Keep a Changelog](http://keepachangelog.com/) Standard. This project adheres to [Semantic Versioning](http://semver.org/).
 
-## [Unreleased](https://github.com/ruflin/Elastica/compare/6.1.4...6.x)
+## [Unreleased](https://github.com/ruflin/Elastica/compare/6.1.5...6.x)
 
 ### Backward Compatibility Breaks
 ### Bugfixes
-* Added conflict with `elasticsearch/elasticsearch` version `6.8.1` [#1948](https://github.com/ruflin/Elastica/pull/1948)
 ### Added
 ### Improvements
 ### Deprecated
 
+## [6.1.5](https://github.com/ruflin/Elastica/compare/6.1.4...6.1.5)
+
+### Bugfixes
+* Added conflict with `elasticsearch/elasticsearch` version `6.8.1` [#1948](https://github.com/ruflin/Elastica/pull/1948)
+### Added
+* Excluded `docker` directory in `.gitattributes` [#1939](https://github.com/ruflin/Elastica/pull/1939)
+
 ## [6.1.4](https://github.com/ruflin/Elastica/compare/6.1.3...6.1.4)
 
 ### Backward Compatibility Breaks