diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1dedb02ac..fd85c4b0f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -118,6 +118,7 @@
 - [#3754](https://github.com/influxdata/telegraf/issues/3754): Fix precision truncation when no timestamp included.
 - [#3655](https://github.com/influxdata/telegraf/issues/3655): Fix SNMPv3 connection with Cisco ASA 5515 in snmp input.
 - [#3981](https://github.com/influxdata/telegraf/pull/3981): Export all vars defined in /etc/default/telegraf.
+- [#4004](https://github.com/influxdata/telegraf/issues/4004): Allow grok pattern to contain newlines.
 
 ## v1.5.3 [2018-03-14]