From 7dc0167f3d888f8188fd5a77f4b933655866a267 Mon Sep 17 00:00:00 2001
From: Michael Kuron <mkuron@users.noreply.github.com>
Date: Mon, 30 Oct 2017 15:25:06 +0100
Subject: [PATCH] docker-compose file format version 2.1

---
 docker-compose.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docker-compose.yml b/docker-compose.yml
index f0cf0e30..978a2d84 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,4 +1,4 @@
-version: '2.3'
+version: '2.1'
 services:
 
     unbound-mailcow: