diff --git a/requirements.txt b/requirements.txt
index 7045131..2239186 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,5 +3,5 @@ Flask==1.1.1
 itsdangerous==1.1.0
 Jinja2==2.10.3
 MarkupSafe==1.1.1
-redis==3.3.11
+redis==4.5.3
 Werkzeug==0.16.0