diff --git a/backend/requirements.txt b/backend/requirements.txt
index c731ff628..df2b3d02c 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -13,7 +13,7 @@ pymysql==0.10.1
 Flask-Mail==0.9.1
 
 celery==5.0.1
-redis==3.5.3
+redis==4.5.1
 
 itsdangerous==1.1.0
 cryptography==3.2.1