diff --git a/CHANGELOG.md b/CHANGELOG.md
index cc7177b0..950e9ba8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,7 +17,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 ### Security
 ### Dependencies
 - Bump `pytest-asyncio` from <=0.23.7 to <=0.23.8 ([#787](https://github.com/opensearch-project/opensearch-py/pull/787))
-- Bump `sphinx` from <7.4 to <7.5 ([#788](https://github.com/opensearch-project/opensearch-py/pull/788))
+- Bump `sphinx` from <7.4 to <8.1 ([#788](https://github.com/opensearch-project/opensearch-py/pull/788), [#791](https://github.com/opensearch-project/opensearch-py/pull/791))
 - Bump `urllib3` from >=1.26.18 to >=1.26.19 ([#793](https://github.com/opensearch-project/opensearch-py/pull/793))
 - Bump `requests` from >=2.4.0 to >=2.32.0 ([#793](https://github.com/opensearch-project/opensearch-py/pull/793))
 - Bump `certifi` from >=2022.12.07 to >=2024.07.04 ([#793](https://github.com/opensearch-project/opensearch-py/pull/793))
diff --git a/dev-requirements.txt b/dev-requirements.txt
index d707f602..99b9b1d4 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -2,7 +2,7 @@ requests>=2, <3
 pytest
 pytest-cov
 coverage
-sphinx<7.5
+sphinx<8.1
 sphinx_rtd_theme
 jinja2
 pytz