diff --git a/requirements-doc.txt b/requirements-doc.txt
index f55a39b..380210d 100644
--- a/requirements-doc.txt
+++ b/requirements-doc.txt
@@ -1,5 +1,5 @@
 sphinx-issues==5.0.0
-sphinx==8.0.2
+sphinx==8.1.3
 furo==2024.8.6
 sphinxcontrib-plantuml==0.30
 sphinx-autodoc-typehints==2.5.0