From 51dbde73b64ed9d2c7fde8289045bdfaa747b669 Mon Sep 17 00:00:00 2001
From: Dario Izzo <dario.izzo@gmail.com>
Date: Sun, 15 Sep 2019 16:19:52 +0200
Subject: [PATCH] OSX build trial N.13

---
 .travis.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 038f9873..eae103bf 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -96,10 +96,10 @@ matrix:
 #      os: osx
     - env: PAGMO_PLUGINS_NONFREE_BUILD="OSXPython37"
       os: osx
-      osx_image: xcode11
+      osx_image: xcode6.4
     - env: PAGMO_PLUGINS_NONFREE_BUILD="OSXPython27"
       os: osx
-      osx_image: xcode11
+      osx_image: xcode6.4
 script:
 - mkdir build
 - cd build