CHANGELOG.md in hackerone-client-0.15.0 vs CHANGELOG.md in hackerone-client-0.16.0

@@ -1,4 +1,8 @@
+## [0.16.0] - 2020-03-23
+
+- [Add support for updating the severity of an issue](https://github.com/oreoshake/hackerone-client/pull/50) (@rzhade3)
+
 ## [0.15.0] - 2020-03-09
 
 - [Add 'update program policy' API support](https://github.com/oreoshake/hackerone-client/pull/47) (@rzhade3)
 
 ## [0.14.2] - 2020-03-09