diff --git a/requirements.txt b/requirements.txt
index 5b3945a..b0ae3ae 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 Flask==1.1.2
-redis==3.5.0
+redis==4.5.3
 hiredis==1.0.1
 gunicorn==20.0.4
 requests==2.23.0