diff --git a/php-zendserver/README-short.txt b/php-zendserver/README-short.txt
index af398674f..0f4e14743 100644
--- a/php-zendserver/README-short.txt
+++ b/php-zendserver/README-short.txt
@@ -1 +1 @@
-Zend Server - the integrated PHP application platform for mobile and web apps.
+DEPRECATED; Zend Server - the integrated PHP application platform for mobile and web apps.
diff --git a/php-zendserver/deprecated.md b/php-zendserver/deprecated.md
new file mode 100644
index 000000000..3758d1cd2
--- /dev/null
+++ b/php-zendserver/deprecated.md
@@ -0,0 +1 @@
+This image is not actively maintained (and [has not been for years](https://github.com/docker-library/official-images/issues?q=label%3Alibrary%2Fphp-zendserver)). It is highly recommended for users to seek out alternatives.