diff --git a/requirements.txt b/requirements.txt
index 6985d6a..9f2d85b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ flake8==2.5.4
 flask-cors
 flask-socketio==3.3.2
 PyMySQL==0.9.3
-redis==3.2.1
+redis==4.4.4
 Pillow
 numpy>=1.16.2
 pytest==4.5.0