From 148f50fc789d59319113a1fd2897dbe552e73e73 Mon Sep 17 00:00:00 2001
From: Takashi Kokubun <takashikkbn@gmail.com>
Date: Wed, 19 Jun 2019 10:09:35 +0900
Subject: [PATCH] Update homebrew on Travis

because Travis is crashing like "Error: Your Homebrew is outdated.
Please run `brew update`."
https://travis-ci.org/ruby/ruby/jobs/547485832
---
 .travis.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.travis.yml b/.travis.yml
index 244873472e..cd681ed016 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -48,6 +48,7 @@ addons:
       - valgrind
       - zlib1g-dev
   homebrew:
+    update: true
     packages:
       - gdbm
       - gmp