diff --git a/requirements-optional.txt b/requirements-optional.txt
index ea92b13285..b6c291e415 100644
--- a/requirements-optional.txt
+++ b/requirements-optional.txt
@@ -5,7 +5,7 @@ pre-commit==4.1.0
 ruff==0.9.7
 
 # For generating documentation.
-sphinx==8.1.3
+sphinx==8.2.0
 sphinx-autoapi==3.6.0
 
 # For 'manage' interactive shell