diff --git a/psma/requirements.txt b/psma/requirements.txt
index 16d74fc..2770755 100644
--- a/psma/requirements.txt
+++ b/psma/requirements.txt
@@ -41,7 +41,7 @@ PyNaCl==1.4.0
 pyparsing==2.4.7
 pytz==2021.1
 PyYAML==5.4.1
-redis==3.5.3
+redis==4.4.4
 requests==2.25.1
 rfc3986==1.5.0
 six==1.15.0