diff --git a/4.0/alpine/Dockerfile b/4.0/alpine/Dockerfile
index 3caf81098..fb7b1ceca 100644
--- a/4.0/alpine/Dockerfile
+++ b/4.0/alpine/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.11
+FROM alpine:3.16
 
 # add our user and group first to make sure their IDs get assigned consistently, regardless of whatever dependencies get added
 RUN addgroup -S -g 1000 redis && adduser -S -G redis -u 999 redis