From 2ca36fbf7bec615f965a593d552c0db6766a603d Mon Sep 17 00:00:00 2001
From: hoshinotsuyoshi <guitarpopnot330@gmail.com>
Date: Mon, 23 Jan 2017 00:39:19 +0900
Subject: [PATCH] Update system gem

https://github.com/sickill/rainbow/issues/48
---
 .travis.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.travis.yml b/.travis.yml
index c1ed560..252b808 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,6 +7,7 @@ before_install:
   - "if [ $(phantomjs --version) != $PHANTOMJS_VERSION ]; then wget https://github.com/Medium/phantomjs/releases/download/v$PHANTOMJS_VERSION/phantomjs-$PHANTOMJS_VERSION-linux-x86_64.tar.bz2 -O $PWD/travis_phantomjs/phantomjs-$PHANTOMJS_VERSION-linux-x86_64.tar.bz2; fi"
   - "if [ $(phantomjs --version) != $PHANTOMJS_VERSION ]; then tar -xvf $PWD/travis_phantomjs/phantomjs-$PHANTOMJS_VERSION-linux-x86_64.tar.bz2 -C $PWD/travis_phantomjs; fi"
   - "phantomjs --version"
+  - "gem update --system"
 cache:
   directories:
     - "travis_phantomjs"