diff --git a/codalab/requirements/requirements.txt b/codalab/requirements/requirements.txt
index 5c77b5fbb..889f1a91c 100644
--- a/codalab/requirements/requirements.txt
+++ b/codalab/requirements/requirements.txt
@@ -51,7 +51,7 @@ git+https://github.com/codalab/django-s3direct.git@feature/allow-different-endpo
 #pyrabbit==1.1.0
 git+https://github.com/bkjones/pyrabbit.git@e8a9f74ed5c6bba958994fb9a72c396e6a99ea0f
 
-gunicorn==20.0.4
+gunicorn==21.0.1
 #gevent==1.2.2
 
 #Extras added