Update CHANGELOG

Author: athos

CHANGELOG.md

@@ -2,6 +2,8 @@
 All notable changes to this project will be documented in this file. This change log follows the conventions of [keepachangelog.com](http://keepachangelog.com/).
 
 ## [Unreleased]
+### Fixed
+- [Update Fipp to 0.6.18](https://github.com/athos/Pinpointer/commit/ac4adf16aa232df23177b7608fec03f7d0fc9c54) to support JDK11+
 
 ## 0.1.0 - 2017-12-10
 - First released.