diff --git a/requirements.txt b/requirements.txt
index 780ae2c..f3870a7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,9 +1,9 @@
 # SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
 # SPDX-License-Identifier: Apache-2.0
 
-Sphinx~=8.1.3
+Sphinx~=9.1.0
 doc8~=2.0.0
 reuse~=6.2.0
 furo~=2025.12.19
-sphinx-sitemap~=2.6.0
+sphinx-sitemap~=2.9.0
 sphinxcontrib-spelling~=8.0.2