update travis ruby

hsbt · hsbt · commit 9de6898dd7bb · 2016-11-21T12:26:54.000+09:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,6 @@
 language: ruby
 sudo: false
-rvm: 2.3.1
+rvm: 2.3.2
 cache:
   bundler: true
 # Notifications, used by our Gitter channel.
