From 0635299dc271fe9981e25d115279cfe79e752299 Mon Sep 17 00:00:00 2001
From: Ryunosuke Sato <tricknotes.rs@gmail.com>
Date: Sun, 2 Apr 2017 00:03:20 +0900
Subject: [PATCH] Update Ruby versions on Travis CI

---
 .travis.yml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index 800391bd..bef591d5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,8 @@
 language: ruby
 rvm:
-- 2.2
+- 2.2.6
+- 2.3.4
+- 2.4.1
 before_script:
 - mkdir prism
 - mkdir prism/bin