diff --git a/CHANGELOG.md b/CHANGELOG.md
index aa51a4e32..6880430bc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 ## v1.11.1 [unreleased]
 
+#### Features
+
+- [#5842](https://github.com/influxdata/telegraf/pull/5842): Improve performance of wavefront serializer.
+
 #### Bugfixes
 
 - [#5980](https://github.com/influxdata/telegraf/issues/5980): Cannot set mount_points option in disk input.