diff --git a/requirements-optional.txt b/requirements-optional.txt
index 2d6d956b38b..f44e82e6f04 100644
--- a/requirements-optional.txt
+++ b/requirements-optional.txt
@@ -5,7 +5,7 @@ redis==5.0.4
 pre-commit==3.7.0
 
 # For generating documentation.
-sphinx==7.3.4
+sphinx==7.3.6
 sphinx-autoapi==3.0.0
 
 # For 'manage' interactive shell