diff --git a/doc/conf.py b/doc/conf.py
index 4814536bf60a..7b2e3b444646 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -131,6 +131,7 @@ def inner(fn, *iargs, **ikwargs):  # pylint: disable=unused-argument
     'tornado.ioloop',
     'tornado.iostream',
     'tornado.netutil',
+    'tornado.queues',
     'tornado.simple_httpclient',
     'tornado.stack_context',
     'tornado.web',