From d0cc5a880e23ab57f53b80a08a73cbf4814082bc Mon Sep 17 00:00:00 2001
From: Casper da Costa-Luis <casper.dcl@physics.org>
Date: Tue, 31 Oct 2023 09:45:50 +0000
Subject: [PATCH] ci: fix docker builds

- fixes #842
---
 docker/Dockerfile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docker/Dockerfile b/docker/Dockerfile
index 30cb2518..8d94c9ca 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,3 +1,4 @@
+# syntax=docker/dockerfile:1.4
 ARG BASE_IMAGE=ubuntu:22.04
 FROM ${BASE_IMAGE} as base