CHANGELOG.md in phobos_db_checkpoint-2.3.0 vs CHANGELOG.md in phobos_db_checkpoint-2.3.1

@@ -2,9 +2,13 @@
 All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## 2.3.1 (2017-03-11)
+
+- [bugfix] Add index required for current implementation of Phobos Checkpoint UI
+
 ## 2.3.0 (2017-03-08)
 
 - [enhancement] Add created_at to events table
 
 ## 2.2.0 (2017-03-08)