diff --git a/backend/requirements.txt b/backend/requirements.txt
index e504f7285..a2e2123aa 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -9,6 +9,6 @@ google-cloud-storage==2.1.0
 gunicorn==20.1.0
 python-dateutil==2.8.2
 pytoml==0.1.21
-redis==3.5.3
+redis==4.3.3
 swagger-ui-bundle==0.0.9
 zstandard==0.17.0