From 05402c2b621fbbbdeb21ff70473b21d921a9f9a7 Mon Sep 17 00:00:00 2001
From: Fumiaki MATSUSHIMA <mtsmfm@gmail.com>
Date: Tue, 5 Jun 2018 23:30:01 +0900
Subject: [PATCH] Downgrade rubygems version to fix CI

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

diff --git a/.travis.yml b/.travis.yml
index 104adfa3..e170e456 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -30,6 +30,8 @@ matrix:
   allow_failures:
     - rvm: ruby-head
   fast_finish: true
+before_install:
+  - gem update --system 2.6.14
 before_script:
   - "[ $TRAVIS_RUBY_VERSION = \"1.9.3\" ] && travis_retry gem install mime-types --version \"~> 2\" || true"
   - "[ $TRAVIS_RUBY_VERSION = \"1.9.3\" -o $TRAVIS_RUBY_VERSION = \"2.0.0\" ] && travis_retry gem install nokogiri --version \"~> 1.6.8\" || true"