diff --git a/ubuntu-debootstrap/README.md b/ubuntu-debootstrap/README.md
index 8567f4683..8d323c8de 100644
--- a/ubuntu-debootstrap/README.md
+++ b/ubuntu-debootstrap/README.md
@@ -1,3 +1,7 @@
+# **DEPRECATED**
+
+This image is officially deprecated in favor of [the standard `ubuntu` image](https://hub.docker.com/_/ubuntu/), and will receive no further updates. Please adjust your usage accordingly.
+
 # Supported tags and respective `Dockerfile` links
 
 -	[`12.04.5`, `12.04`, `precise` (*12.04/Dockerfile*)](https://github.com/tianon/docker-brew-ubuntu-debootstrap/blob/61e5df54c69a8d3943546e26b15d3fff80254e45/12.04/Dockerfile)
diff --git a/ubuntu-upstart/README.md b/ubuntu-upstart/README.md
index ff13afccf..1beb894c7 100644
--- a/ubuntu-upstart/README.md
+++ b/ubuntu-upstart/README.md
@@ -1,3 +1,7 @@
+# **DEPRECATED**
+
+This image is officially deprecated (especially now that Upstart is no longer the default init system for Ubuntu) and will receive no further updates. Please adjust your usage accordingly.
+
 # Supported tags and respective `Dockerfile` links
 
 -	[`12.04`, `precise` (*sbin-init/ubuntu/upstart/12.04/Dockerfile*)](https://github.com/tianon/dockerfiles/blob/4d24a12b54b75b3e0904d8a285900d88d3326361/sbin-init/ubuntu/upstart/12.04/Dockerfile)