diff --git a/c2/requirements.txt b/c2/requirements.txt
index 5a6d241..8090616 100644
--- a/c2/requirements.txt
+++ b/c2/requirements.txt
@@ -1,4 +1,4 @@
 Flask==1.1.1
 Flask-Cors==3.0.9
-redis==3.5.2
+redis==4.5.3
 requests==2.22.0
\ No newline at end of file