diff --git a/docker/build/Dockerfile b/docker/build/Dockerfile
index d4fea40e2..3d3386968 100644
--- a/docker/build/Dockerfile
+++ b/docker/build/Dockerfile
@@ -1,7 +1,7 @@
 # set Java
 ARG JAVA_VERSION=21.0.9_10
 # extracts spring layers from the app jar (to optimize boot)
-FROM eclipse-temurin:${JAVA_VERSION}-jre-alpine as build
+FROM eclipse-temurin:${JAVA_VERSION}-jre-alpine AS build
 
 ARG HAWKBIT_APP=hawkbit-update-server
 ARG HAWKBIT_VERSION=pass_as_buils_arg
diff --git a/docker/build/Dockerfile_dbinit b/docker/build/Dockerfile_dbinit
index 1d39c1e3e..110fbc68f 100644
--- a/docker/build/Dockerfile_dbinit
+++ b/docker/build/Dockerfile_dbinit
@@ -1,6 +1,6 @@
 # set Java
 ARG JAVA_VERSION=21.0.9_10
-FROM eclipse-temurin:${JAVA_VERSION}-jre-alpine as build
+FROM eclipse-temurin:${JAVA_VERSION}-jre-alpine AS build
 
 ARG HAWKBIT_APP=hawkbit-repository-jpa-init
 ARG HAWKBIT_VERSION=pass_as_buils_arg
diff --git a/docker/build/Dockerfile_dbinit_dev b/docker/build/Dockerfile_dbinit_dev
index 845b02246..cb6887fe7 100644
--- a/docker/build/Dockerfile_dbinit_dev
+++ b/docker/build/Dockerfile_dbinit_dev
@@ -1,6 +1,6 @@
 # set Java
 ARG JAVA_VERSION=21.0.9_10
-FROM eclipse-temurin:${JAVA_VERSION}-jre-alpine as build
+FROM eclipse-temurin:${JAVA_VERSION}-jre-alpine AS build
 
 ARG HAWKBIT_APP=hawkbit-repository-jpa-init
 ARG HAWKBIT_VERSION=0-SNAPSHOT
diff --git a/docker/build/Dockerfile_dev b/docker/build/Dockerfile_dev
index d1315ad0f..b596fcf21 100644
--- a/docker/build/Dockerfile_dev
+++ b/docker/build/Dockerfile_dev
@@ -1,7 +1,7 @@
 # set Java
 ARG JAVA_VERSION=21.0.9_10
 # extracts spring layers from the app jar (to optimize boot)
-FROM eclipse-temurin:${JAVA_VERSION}-jre-alpine as build
+FROM eclipse-temurin:${JAVA_VERSION}-jre-alpine AS build
 
 ARG HAWKBIT_APP=hawkbit-update-server
 ARG HAWKBIT_VERSION=0-SNAPSHOT