diff --git a/docs/serving/samples/hello-world/helloworld-php/Dockerfile b/docs/serving/samples/hello-world/helloworld-php/Dockerfile
index 7e65dbf1c..5afb185fe 100644
--- a/docs/serving/samples/hello-world/helloworld-php/Dockerfile
+++ b/docs/serving/samples/hello-world/helloworld-php/Dockerfile
@@ -1,6 +1,6 @@
 # Use the official PHP 7.2 image.
 # https://hub.docker.com/_/php
-FROM php:7.2.6-apache
+FROM php:7.2-apache
 
 # Copy local code to the container image.
 COPY index.php /var/www/html/