diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4b5d91cbeae..ec93cf410b0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -27,6 +27,7 @@ We use *breaking :warning:* to mark changes that are not backward compatible (re
 - [#5493](https://github.com/thanos-io/thanos/pull/5493) Compact: Added `--compact.blocks-fetch-concurrency` allowing to configure number of go routines for download blocks during compactions.
 - [#5527](https://github.com/thanos-io/thanos/pull/5527) Receive: Add per request limits for remote write.
 - [#5520](https://github.com/thanos-io/thanos/pull/5520) Receive: Meta-monitoring based active series limiting
+- [#3431](https://github.com/thanos-io/thanos/pull/5566) Receive: Added experimental support to enable chunk write queue via `--tsdb.write-queue-size` flag.
 
 ### Changed