diff --git a/requirements.txt b/requirements.txt
index b10ee0cd..9f609bbe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,5 +3,5 @@ Flask==1.0.2
 itsdangerous==0.24
 Jinja2==2.11.3
 MarkupSafe==1.1.1
-redis==2.10.6
+redis==4.3.2
 Werkzeug==0.15.6