diff --git a/CHANGELOG.md b/CHANGELOG.md
index a9e5bb3982708..59b7896e64e16 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -88,6 +88,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 ### Dependencies
 
 ### Changed
+- Search pipelines now support asynchronous request and response processors to avoid blocking on a transport thread ([#10598](https://github.com/opensearch-project/OpenSearch/pull/10598))
 
 ### Deprecated