diff --git a/tools/ansible/roles/dockerfile/templates/Dockerfile.j2 b/tools/ansible/roles/dockerfile/templates/Dockerfile.j2
index 90046482c0..2ea6522510 100644
--- a/tools/ansible/roles/dockerfile/templates/Dockerfile.j2
+++ b/tools/ansible/roles/dockerfile/templates/Dockerfile.j2
@@ -5,7 +5,7 @@
 ###
 
 # Build container
-FROM quay.io/centos/centos:stream9 as builder
+FROM quay.io/centos/centos:stream9 AS builder
 
 ENV LANG en_US.UTF-8
 ENV LANGUAGE en_US:en