diff --git a/requirements-optional.txt b/requirements-optional.txt
index 6681bd50d3..7e84feef81 100644
--- a/requirements-optional.txt
+++ b/requirements-optional.txt
@@ -6,7 +6,7 @@ ruff==0.7.2
 
 # For generating documentation.
 sphinx==8.1.3
-sphinx-autoapi==3.3.3
+sphinx-autoapi==3.4.0
 
 # For 'manage' interactive shell
 manage==0.1.15