diff --git a/CHANGELOG.md b/CHANGELOG.md
index 87e9decfc39..9143ca2e6fa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,7 @@ We use _breaking :warning:_ to mark changes that are not backward compatible (re
 - [#4171](https://github.com/thanos-io/thanos/pull/4171) Docker: Busybox image updated to latest (1.33.1)
 - [#4175](https://github.com/thanos-io/thanos/pull/4175) Added Tag Configuration Support Lightstep Tracing
 - [#4176](https://github.com/thanos-io/thanos/pull/4176) Query API: Adds optional `Stats param` to return stats for query APIs
+- [#4211](https://github.com/thanos-io/thanos/pull/4211) Add TLS and basic authentication to Thanos APIs
 
 ### Fixed
 -