diff --git a/docs/requirements.txt b/docs/requirements.txt
index 300ce1f..1b0ae0d 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -10,7 +10,7 @@ sphinx-autobuild>=2025.8.25
 sphinx-copybutton>=0.5.2
 sphinxext-opengraph>=0.13.0
 sphinx-autodoc-typehints>=1.25.0
-sphinx-sitemap>=2.6.0
+sphinx-sitemap>=2.9.0
 
 # Alternative modern theme (optional)
 furo>=2024.1.29