diff --git a/CHANGELOG.md b/CHANGELOG.md
index fd85c4b0f..76fff6f58 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@
 
 - [#3964](https://github.com/influxdata/telegraf/pull/3964): Add repl_oplog_window_sec metric to mongodb input.
 - [#3819](https://github.com/influxdata/telegraf/pull/3819): Add per-host shard metrics in mongodb input.
+- [#3999](https://github.com/influxdata/telegraf/pull/3999): Skip files with leading `..` in config directory.
 
 ## v1.6 [unreleased]