diff --git a/CHANGELOG.md b/CHANGELOG.md
index 60628d2f1..07b15c262 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -27,6 +27,12 @@
 
 - [#4018](https://github.com/influxdata/telegraf/pull/4018): Write to working file outputs if any files are not writeable.
 
+## v1.6.2 [unreleased]
+
+### Bugfixes
+
+- [#4078](https://github.com/influxdata/telegraf/pull/4078): Use same timestamp for fields in system input.
+
 ## v1.6.1 [2018-04-23]
 
 ### Bugfixes