diff --git a/Dockerfile b/Dockerfile
index 07ff51310..9f83af643 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:bookworm-slim as build
+FROM debian:bookworm-slim AS build
 
 ENV DEBIAN_FRONTEND=noninteractive \
   LANG=en_US.UTF-8
diff --git a/Dockerfile.headless b/Dockerfile.headless
index 5783d9739..72330be60 100644
--- a/Dockerfile.headless
+++ b/Dockerfile.headless
@@ -1,4 +1,4 @@
-FROM debian:bookworm-slim as build
+FROM debian:bookworm-slim AS build
 
 ENV DEBIAN_FRONTEND=noninteractive \
   LANG=en_US.UTF-8
diff --git a/tests/integration/wapiti/Dockerfile.integration b/tests/integration/wapiti/Dockerfile.integration
index 01d79f442..b973003fe 100644
--- a/tests/integration/wapiti/Dockerfile.integration
+++ b/tests/integration/wapiti/Dockerfile.integration
@@ -1,4 +1,4 @@
-FROM debian:bookworm-slim as build
+FROM debian:bookworm-slim AS build
 
 ENV DEBIAN_FRONTEND=noninteractive \
   LANG=en_US.UTF-8