From a3b29d34f0d8d378272d660db574cc034df52c1c Mon Sep 17 00:00:00 2001
From: Ryunosuke Sato <tricknotes.rs@gmail.com>
Date: Mon, 29 Jan 2018 17:50:47 +0900
Subject: [PATCH] Update Ruby versions on Travis CI (#1230)

---
 .travis.yml | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index a34ebb8e9..3e62c6222 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,11 +1,11 @@
 sudo: false
 language: ruby
 before_install:
-  - gem update --system 
+  - gem update --system
 rvm:
-  - 2.2.8
-  - 2.3.5
-  - 2.4.2
+  - 2.2.9
+  - 2.3.6
+  - 2.4.3
   - 2.5.0
   - ruby-head
 gemfile: