diff --git a/CHANGELOG.md b/CHANGELOG.md
index 560830b9..b54477e5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Added `AsyncSearch#collapse` ([827](https://github.com/opensearch-project/opensearch-py/pull/827))
 - Added `pool_maxsize` to `AsyncOpenSearch` ([845](https://github.com/opensearch-project/opensearch-py/pull/845))
 - Added `ssl_assert_hostname` to `AsyncOpenSearch` ([843](https://github.com/opensearch-project/opensearch-py/pull/843))
+- Added a sample that uses `search_after` parameter ([859](https://github.com/opensearch-project/opensearch-py/pull/859))
 ### Changed
 ### Deprecated
 ### Removed