diff --git a/demo/Dockerfile b/demo/Dockerfile
index 170cd18c2..a9a8a5ca5 100644
--- a/demo/Dockerfile
+++ b/demo/Dockerfile
@@ -26,7 +26,7 @@ FROM ghcr.io/prymitive/kthxbye:v0.16 as kthxbye
 
 FROM prom/alertmanager:v0.25.0 as alertmanager
 
-FROM alpine:3.17
+FROM alpine:3.18
 COPY --from=kthxbye /kthxbye /kthxbye
 COPY --from=alertmanager /bin/alertmanager /alertmanager
 RUN apk add supervisor python3 && rm  -rf /tmp/* /var/cache/apk/*