travis: switch to a newer version of macOS

Signed-off-by: Evgeny Vereshchagin <evvers@ya.ru>

diff --git a/.travis.yml b/.travis.yml
index b703b2ddede4a64e42b026d1775f549284ca4160..a4d2e8c4e85a06d00fad1765db3ccaf5e3d80919 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -22,7 +22,7 @@ matrix:
       compiler: gcc
       env: PRECISE="yes" MAKE_CHECK="root"
     - os: osx
-      osx_image: xcode7.3
+      osx_image: xcode9.4
       compiler: clang
       env: MAKE_CHECK="root"
     - arch: arm64