diff --git a/Dockerfile b/Dockerfile
index d18f040..9ac98d9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,5 @@
+# syntax=docker/dockerfile:1
+
 FROM ghcr.io/linuxserver/baseimage-ubuntu:noble
 
 # set version label
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 3d93ba6..6e05250 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -1,3 +1,5 @@
+# syntax=docker/dockerfile:1
+
 FROM ghcr.io/linuxserver/baseimage-ubuntu:arm64v8-noble
 
 # set version label