From 93190f4a38aa83bfafda620ece402319e5780891 Mon Sep 17 00:00:00 2001
From: BinHong Lee <binhonglee@users.noreply.github.com>
Date: Sun, 25 Mar 2018 11:18:35 -0700
Subject: [PATCH] Update .travis.yml

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

diff --git a/.travis.yml b/.travis.yml
index ba7ef3d..22b341a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,7 +16,7 @@ matrix:
     - os: osx
       osx_image: xcode8
       env:
-        - MATRIX_EVAL="brew install gcc6 && CC=gcc-6 && CXX=g++-6"
+        - MATRIX_EVAL="brew update && brew upgrade && brew install gcc@6 && CC=gcc-6 && CXX=g++-6"
 
 before_install:
   - eval "${MATRIX_EVAL}"