diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7b0f92dc6..f635b7c04 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## v1.6 [unreleased]
+
+### Features
+- [3551](https://github.com/influxdata/telegraf/pull/3551): Add health status mapping from string to int in elasticsearch input.
+
 ## v1.5 [unreleased]
 
 ### New Plugins