diff --git a/.travis.yml b/.travis.yml
index 290d08d05c..ce5494678b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
 language: ruby
 sudo: false
-rvm: 2.3.0
+rvm: 2.3.1
 cache:
   bundler: true
 # Notifications, used by our Gitter channel.
diff --git a/Gemfile b/Gemfile
index 904ecf5ae6..c2c83c5f88 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,5 +1,5 @@
 source "https://rubygems.org"
-ruby ENV['CUSTOM_RUBY_VERSION'] || '2.3.0'
+ruby ENV['CUSTOM_RUBY_VERSION'] || '2.3.1'
 
 gem 'rake',   '~> 10.0'
 gem 'jekyll', '~> 2.0'