diff --git a/Dockerfile b/Dockerfile
index cac992b..f9e4ac5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,4 @@
+# syntax=docker/dockerfile:labs
 FROM alpine:3.19.1
 COPY update.sh /usr/local/bin/update.sh
 COPY healthcheck.sh /usr/local/bin/healthcheck.sh