diff --git a/CHANGELOG.md b/CHANGELOG.md
index f7949d5c9..3f08fef88 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@
 - [#4752](https://github.com/influxdata/telegraf/pull/4752): Add per-directory file counts in the filecount input.
 - [#4811](https://github.com/influxdata/telegraf/pull/4811): Add windows service name lookup to procstat input.
 - [#4807](https://github.com/influxdata/telegraf/pull/4807): Add entity-body compression to http output.
+- [#4838](https://github.com/influxdata/telegraf/pull/4838): Add telegraf version to User-Agent header.
 
 ## v1.8.2 [unreleased]