CHANGELOG.md in eco-helpers-1.5.11 vs CHANGELOG.md in eco-helpers-1.5.12

- old
+ new

@@ -1,8 +1,19 @@
 # Change Log
 All notable changes to this project will be documented in this file.
 
-## [1.5.11] - 2021-01-xx
+## [1.5.12] - 2021-01-xx
+
+### Added
+  - `Eco::API::Common::People::DefaultParsers::CSVParser` when cell content is `Null`, capture `nil` value.
+
+### Changed
+  - upgraded `ecoportal-api` dependency
+
+### Fixed
+
+
+## [1.5.11] - 2021-01-25
 
 ### Added
   - `Eco::API::Organization::TagTree#subtag?` to check if the tag is in any subtree.
 
 ### Changed