diff --git a/CHANGELOG.md b/CHANGELOG.md
index 584d26741..5ab294ce8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,6 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Bumps `org.eclipse.parsson:parsson` from 1.1.6 to 1.1.7
 - Bumps `org.hamcrest:hamcrest` from 2.2 to 3.0
 - Bumps `com.github.jk1.dependency-license-report` from 2.8 to 2.9
-- Bump `commons-logging:commons-logging` from 1.3.4 to 1.3.5 ([#1418](https://github.com/opensearch-project/opensearch-java/pull/1418))
 
 This section is for maintaining a changelog for all breaking changes for the client that cannot be released in the 2.x line. All other non-breaking changes should be added to [Unreleased 2.x] section.
 
@@ -42,9 +41,7 @@ This section is for maintaining a changelog for all breaking changes for the cli
 ### Security
 
 ## [Unreleased 2.x]
-
 ### Added
-- Added support for docvalue_fields in msearch ([#1429](https://github.com/opensearch-project/opensearch-java/pull/1429)])
 
 ### Dependencies
 
@@ -58,6 +55,18 @@ This section is for maintaining a changelog for all breaking changes for the cli
 
 ### Security
 
+## [2.21.0] - 02/14/2025
+### Added
+- Added support for `GeoDistanceQuery`'s `ignore_unmapped` property ([#1430](https://github.com/opensearch-project/opensearch-java/pull/1430))
+- Added support for docvalue_fields in msearch ([#1429](https://github.com/opensearch-project/opensearch-java/pull/1429))
+
+### Dependencies
+- Bump `commons-logging:commons-logging` from 1.3.4 to 1.3.5 ([#1418](https://github.com/opensearch-project/opensearch-java/pull/1418))
+
+### Fixed
+- Fixed serialization of `KnnQuery`'s `method_parameters` property ([#1427](https://github.com/opensearch-project/opensearch-java/pull/1427))
+- Fixed deserializing `GeoValidationMethod` enum values when uppercase ([#1431](https://github.com/opensearch-project/opensearch-java/pull/1431))
+
 ## [2.20.0] - 02/04/2025
 ### Added
 - Added support for `KnnQuery`'s `expand_nested_docs`, `method_parameters` and `rescore` properties ([#1407](https://github.com/opensearch-project/opensearch-java/pull/1407))
@@ -612,7 +621,8 @@ This section is for maintaining a changelog for all breaking changes for the cli
 ### Security
 
 [Unreleased 3.0]: https://github.com/opensearch-project/opensearch-java/compare/2.x...HEAD
-[Unreleased 2.x]: https://github.com/opensearch-project/opensearch-java/compare/v2.20.0...2.x
+[Unreleased 2.x]: https://github.com/opensearch-project/opensearch-java/compare/v2.21.0...2.x
+[2.21.0]: https://github.com/opensearch-project/opensearch-java/compare/v2.20.0...v2.21.0
 [2.20.0]: https://github.com/opensearch-project/opensearch-java/compare/v2.19.0...v2.20.0
 [2.19.0]: https://github.com/opensearch-project/opensearch-java/compare/v2.18.0...v2.19.0
 [2.18.0]: https://github.com/opensearch-project/opensearch-java/compare/v2.17.0...v2.18.0