diff --git a/CHANGELOG.md b/CHANGELOG.md
index dd10a2e02..306b83002 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -36,6 +36,7 @@
 - [#6700](https://github.com/influxdata/telegraf/pull/6700): Allow a user defined field to be used as the graylog short_message.
 - [#6917](https://github.com/influxdata/telegraf/pull/6917): Add server_name override for x509_cert plugin.
 - [#6921](https://github.com/influxdata/telegraf/pull/6921): Add udp internal metrics for the statsd input.
+- [#6914](https://github.com/influxdata/telegraf/pull/6914): Add replica set tag to mongodb input.
 
 #### Bugfixes