diff --git a/debian/bookworm-slim/hotspot/Dockerfile b/debian/bookworm-slim/hotspot/Dockerfile
index 5ae2d6a9a8..0bc3613b58 100644
--- a/debian/bookworm-slim/hotspot/Dockerfile
+++ b/debian/bookworm-slim/hotspot/Dockerfile
@@ -1,6 +1,6 @@
 ARG BOOKWORM_TAG=20241111
 
-FROM debian:bookworm-"${BOOKWORM_TAG}"-slim as jre-build
+FROM debian:bookworm-"${BOOKWORM_TAG}"-slim AS jre-build
 
 ARG JAVA_VERSION=17.0.13_11
 
diff --git a/debian/bookworm/hotspot/Dockerfile b/debian/bookworm/hotspot/Dockerfile
index 42e43ff7b4..cdc7028218 100644
--- a/debian/bookworm/hotspot/Dockerfile
+++ b/debian/bookworm/hotspot/Dockerfile
@@ -1,6 +1,6 @@
 ARG BOOKWORM_TAG=20241111
 
-FROM debian:bookworm-"${BOOKWORM_TAG}" as jre-build
+FROM debian:bookworm-"${BOOKWORM_TAG}" AS jre-build
 
 ARG JAVA_VERSION=17.0.13_11
 
diff --git a/rhel/ubi9/hotspot/Dockerfile b/rhel/ubi9/hotspot/Dockerfile
index 72ec413935..59165cdc5e 100644
--- a/rhel/ubi9/hotspot/Dockerfile
+++ b/rhel/ubi9/hotspot/Dockerfile
@@ -1,4 +1,4 @@
-FROM registry.access.redhat.com/ubi9/ubi:9.5 as jre-build
+FROM registry.access.redhat.com/ubi9/ubi:9.5 AS jre-build
 
 ARG JAVA_VERSION=17.0.13_11