diff --git a/docs/examples/customization/external-auth-headers/authsvc/Dockerfile b/docs/examples/customization/external-auth-headers/authsvc/Dockerfile
index 90e6ec2cb8..80f29ee06a 100644
--- a/docs/examples/customization/external-auth-headers/authsvc/Dockerfile
+++ b/docs/examples/customization/external-auth-headers/authsvc/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.10
+FROM alpine:3.19.3
 MAINTAINER Roman Safronov <electroma@gmail.com>
 COPY authsvc /
 EXPOSE 8080