.travis.yml in rom-yaml-2.0.0.rc1 vs .travis.yml in rom-yaml-2.0.0.rc2

@@ -1,25 +1,19 @@
 language: ruby
-dist: trusty
-sudo: required
+sudo: false
 cache: bundler
 bundler_args: --without tools
 script: "bundle exec rake spec"
 after_success:
   - '[ -d coverage ] && bundle exec codeclimate-test-reporter'
 rvm:
-  - 2.2.6
   - 2.3.3
-  - 2.4.0
-  - rbx-3
-  - jruby-9.1.5.0
+  - 2.4.1
+  - jruby-9.1.13.0
 env:
   global:
     - JRUBY_OPTS='--dev -J-Xmx1024M'
     - COVERAGE='true'
-matrix:
-  allow_failures:
-    - rvm: rbx-3
 notifications:
   webhooks:
     urls:
       - https://webhooks.gitter.im/e/39e1225f489f38b0bd09
     on_success: change