diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4b5d3c8793dc3..b04c6415392e0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -82,6 +82,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Use the correct type to widen the sort fields when merging top docs ([#16881](https://github.com/opensearch-project/OpenSearch/pull/16881))
 - Limit reader writer separation to remote store enabled clusters [#16760](https://github.com/opensearch-project/OpenSearch/pull/16760)
 - Optimize innerhits query performance [#16937](https://github.com/opensearch-project/OpenSearch/pull/16937)
+- TieredSpilloverCache took-time threshold now guards heap tier as well as disk tier [#17190](https://github.com/opensearch-project/OpenSearch/pull/17190)
 
 ### Deprecated
 - Performing update operation with default pipeline or final pipeline is deprecated ([#16712](https://github.com/opensearch-project/OpenSearch/pull/16712))