From df2feabb72a433edbadf0227378cd8fcebc818d9 Mon Sep 17 00:00:00 2001
From: Niels Lohmann <mail@nlohmann.me>
Date: Sat, 8 Jul 2017 11:57:09 +0200
Subject: [PATCH] :construction_worker: added Xcode 9 beta

See https://twitter.com/travisci/status/880550780368855040
---
 .travis.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index 8f19baa26..4ad1a5559 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -152,6 +152,9 @@ matrix:
   - os: osx
     osx_image: xcode8.3
 
+  - os: osx
+    osx_image: xcode9
+
   # Linux / GCC
 
   - os: linux