From b84e54568fee0e9e4ca0c899f36b4ca36ea343eb Mon Sep 17 00:00:00 2001
From: Ben Balter <ben.balter@github.com>
Date: Mon, 4 Dec 2017 10:53:17 -0500
Subject: [PATCH] Try testing on Ruby v2.3 and 2.4 (#181)

Merge pull request 181
---
 .travis.yml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index fe4a530..ae1aeb0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,3 +8,7 @@ language: ruby
 script: script/cibuild
 sudo: false
 cache: bundler
+
+env:
+  global:
+    - NOKOGIRI_USE_SYSTEM_LIBRARIES=true