diff --git a/CHANGELOG.md b/CHANGELOG.md
index d2f99925e2929..16af268875578 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Add project health badges to the README.md ([#4843](https://github.com/opensearch-project/OpenSearch/pull/4843))
 - [Test] Add IAE test for deprecated edgeNGram analyzer name ([#5040](https://github.com/opensearch-project/OpenSearch/pull/5040))
 - Allow mmap to use new JDK-19 preview APIs in Apache Lucene 9.4+ ([#5151](https://github.com/opensearch-project/OpenSearch/pull/5151))
+- Add feature flag for extensions ([#5211](https://github.com/opensearch-project/OpenSearch/pull/5211))
 
 ### Dependencies
 - Bumps `log4j-core` from 2.18.0 to 2.19.0