diff --git a/requirements/docs.txt b/requirements/docs.txt
index 54840ebb..82ddc704 100644
--- a/requirements/docs.txt
+++ b/requirements/docs.txt
@@ -1,4 +1,5 @@
 git+https://github.com/celery/sphinx_celery.git
+-r extras/redis.txt
 -r extras/mongodb.txt
 -r extras/sqlalchemy.txt
 -r extras/azureservicebus.txt