.travis.yml in adyen-2.0.0.pre1 vs .travis.yml in adyen-2.0.0.pre2

@@ -1,15 +1,15 @@
 language: ruby
 cache: bundler
 script: bundle exec rake
 rvm:
-- 1.9.3
-- 2.0.0
-- 2.1.1
-- ruby-head
-- rbx-2
-- jruby-19mode
-- jruby-head
+- "2.0"
+- "2.1"
+- "2.2"
+- "ruby-head"
+- "rbx-2"
+- "jruby-19mode"
+- "jruby-head"
 matrix:
   allow_failures:
   - rvm: jruby-head
   - rvm: ruby-head
   - rvm: rbx-2