diff --git a/Dockerfile b/Dockerfile
index 696602a..f53b466 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:1.12
+# syntax=docker/dockerfile:1.13
 ARG BUILD_OS=alpine:3.21
 ARG OPENSSL_VERSION=3.0.9