diff --git a/docs/requirements.txt b/docs/requirements.txt
index f7774af..e3b5511 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
 flask>=2.2.0
 Pallets-Sphinx-Themes
-sphinx==8.0.2
+sphinx==8.1.3
 sphinx-notfound-page