diff --git a/lib/analyzer-lambda/requirements.txt b/lib/analyzer-lambda/requirements.txt
index 9c8e322..da028f2 100644
--- a/lib/analyzer-lambda/requirements.txt
+++ b/lib/analyzer-lambda/requirements.txt
@@ -1,4 +1,4 @@
-redis==3.3.4
+redis==4.4.4
 python-dateutil==2.8.0      # via pandas
 pytz==2019.3                # via pandas
 six==1.12.0                 # via pandas