Update CHANGELOG

Author: yunusga

CHANGELOG.md

@@ -5,6 +5,11 @@ All notable changes to this project will be documented in this file.
 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).
 
+## [1.3.21] - 2020-02-19
+
+ - Update dependencies
+ - Add `yarn.lock`
+
 ## [1.1.20] - 2020-02-05
 
  - travis ci strange cache old files