diff --git a/docker-images/mcservers/base-server-image/Dockerfile b/docker-images/mcservers/base-server-image/Dockerfile
index 154414b7b..ec51e2e02 100644
--- a/docker-images/mcservers/base-server-image/Dockerfile
+++ b/docker-images/mcservers/base-server-image/Dockerfile
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:1.8
+# syntax=docker/dockerfile:1.9
 ARG MCSERVER_BASE_IMAGE
 
 ##---
diff --git a/docker-images/mod-downloader/Dockerfile b/docker-images/mod-downloader/Dockerfile
index 0fcbb31a7..95b3f8238 100644
--- a/docker-images/mod-downloader/Dockerfile
+++ b/docker-images/mod-downloader/Dockerfile
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:1.8
+# syntax=docker/dockerfile:1.9
 FROM golang:1.22-bookworm as builder
 # Build
 ARG GOOS=linux