diff --git a/requirements.txt b/requirements.txt
index ca28ca2..b6fd4de 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ tornado-botocore==1.5.0
 python-dateutil
 dateutils==0.6.12
 shortuuid==1.0.8
-redis==3.5.3
+redis==4.5.3
 raven==6.10.0
 cairosvg==2.5.2
 pycurl==7.44.1