diff --git a/CHANGELOG.md b/CHANGELOG.md
index 813eecbaabfa3..2d3c3c66c36d4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Fix race condition while parsing derived fields from search definition ([14445](https://github.com/opensearch-project/OpenSearch/pull/14445))
 - Add allowlist setting for ingest-common and search-pipeline-common processors ([#14439](https://github.com/opensearch-project/OpenSearch/issues/14439))
 - Create SystemIndexRegistry with helper method matchesSystemIndex ([#14415](https://github.com/opensearch-project/OpenSearch/pull/14415))
+- Change default value of batch size parameter of bulk API to Integer.MAX_VALUE ([#14725](https://github.com/opensearch-project/OpenSearch/pull/14725))
 - Print reason why parent task was cancelled ([#14604](https://github.com/opensearch-project/OpenSearch/issues/14604))
 
 ### Dependencies