diff --git a/docs/requirements.txt b/docs/requirements.txt
index ab53dbc..8884ffd 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
 furo==2025.9.25
-sphinx==9.0.0
+sphinx==9.0.4
 sphinx-click==6.2.0
 myst_parser==4.0.1