diff --git a/CHANGELOG.md b/CHANGELOG.md
index b62c9b9..83bf8e4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,10 @@ 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/).
 
+## Unreleased
+### Added
+- SLA over time graphs, [#728](https://github.com/alexanderzobnin/grafana-zabbix/issues/728)
+
 ## [3.10.4] - 2019-08-08
 ### Fixed
 - Problems panel: query editor broken in Grafana 6.3, [#778](https://github.com/alexanderzobnin/grafana-zabbix/issues/778)