From 849e480b4bccdfd610f3a591177b2410e3c626a2 Mon Sep 17 00:00:00 2001
From: Daisuke Fujita <dtanshi45@gmail.com>
Date: Sun, 21 Apr 2019 17:31:08 +0900
Subject: [PATCH] Add Ruby 2.3 in Travis CI

macOS still uses Ruby 2.3 in default
---
 .travis.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index 1006d9ec..865c8d0b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,8 @@ rvm:
   - 2.6
   - 2.5
   - 2.4
+  # macOS system Ruby is Ruby 2.3
+  - 2.3
 env:
   global:
     - secure: n0mxwnyjuXI4mJO4mp++2TnsPJ+XgCF/J1U2L5piE5j3xMhSU+5V0JrA1uFlS0Pemb44M7BjgmF9S4G35BwyAQpctpCYhqy9tFa6+Y6nxEv5hCv2cZz7BSAZM6eb+zq20409hxTHRaQOr1DBeE4R5S2PrmOXRqvYfTRv3LNSLFk=