diff --git a/CHANGELOG.md b/CHANGELOG.md
index 882bcc77..25812478 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,8 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 ### Security
 - Fixed CVE-2022-23491 reported in opensearch-dsl-py ([#295](https://github.com/opensearch-project/opensearch-py/pull/295))
 - Update ci workflows ([#318](https://github.com/opensearch-project/opensearch-py/pull/318))
+### Dependencies
+- Bumps `sphinx` from <1.7 to <6.3
 
 ## [2.2.0]
 ### Added
@@ -79,4 +81,4 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 [2.0.1]: https://github.com/opensearch-project/opensearch-py/compare/v2.0.0...v2.0.1
 [2.1.0]: https://github.com/opensearch-project/opensearch-py/compare/v2.0.1...v2.1.0
 [2.1.1]: https://github.com/opensearch-project/opensearch-py/compare/v2.1.0...v2.1.1
-[2.2.0]: https://github.com/opensearch-project/opensearch-py/compare/v2.1.1...v2.2.0
+[2.2.0]: https://github.com/opensearch-project/opensearch-py/compare/v2.1.1...v2.2.0
\ No newline at end of file
diff --git a/dev-requirements.txt b/dev-requirements.txt
index 171bc2c2..a2e0bd32 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -3,7 +3,7 @@ pytest
 pytest-cov
 coverage
 mock
-sphinx<1.7
+sphinx<6.3
 sphinx_rtd_theme
 jinja2