diff --git a/alpine/Dockerfile b/alpine/Dockerfile
index cd1ec84..a868dc2 100644
--- a/alpine/Dockerfile
+++ b/alpine/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.15
+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 -g 11211 memcache && adduser -D -u 11211 -G memcache memcache