diff --git a/requirements.txt b/requirements.txt
index 77d121c..6ec2bf4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ coreapi==2.3.3  # https://github.com/core-api/python-client
 gunicorn==19.8.1  # https://github.com/benoitc/gunicorn
 psycopg2==2.7.4 --no-binary psycopg2  # https://github.com/psycopg/psycopg2
 Collectfast==0.6.2  # https://github.com/antonagestam/collectfast
-gevent==1.3.4
+gevent==21.1.1
 
 # Django
 # ------------------------------------------------------------------------------