diff --git a/docs/examples/apt-cacher-ng.Dockerfile b/docs/examples/apt-cacher-ng.Dockerfile
index d1f76572b9..397f3571a2 100644
--- a/docs/examples/apt-cacher-ng.Dockerfile
+++ b/docs/examples/apt-cacher-ng.Dockerfile
@@ -5,7 +5,7 @@
 # and then you can run containers with:
 #	docker run -t -i --rm -e http_proxy http://dockerhost:3142/ debian bash
 #
-FROM		ubuntu
+FROM		ubuntu:24.10
 MAINTAINER	SvenDowideit@docker.com
 
 VOLUME		["/var/cache/apt-cacher-ng"]