diff --git a/docs/requirements.txt b/docs/requirements.txt
index cd74651..25f6d0c 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,3 +1,3 @@
 furo==2024.8.6
-sphinx==8.0.2
+sphinx==9.1.0
 sphinx-click==6.0.0