diff --git a/build/Dockerfile b/build/Dockerfile
index 4b0f271..0518c4e 100644
--- a/build/Dockerfile
+++ b/build/Dockerfile
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:1.8
+# syntax=docker/dockerfile:1.9
 FROM golang:1.23 AS base
 ARG VERSION
 ARG TARGETARCH