.travis.yml in fluent-plugin-multi-format-parser-0.0.2 vs .travis.yml in fluent-plugin-multi-format-parser-0.1.0

@@ -1,19 +1,17 @@
 language: ruby
 
 rvm:
-  - 1.9.3
-  - 2.0.0
   - 2.1
+  - 2.2.4
+  - 2.3.1
   - ruby-head
-  - rbx-2
 
 branches:
   only:
     - master
 
 matrix:
   allow_failures:
     - rvm: ruby-head
-    - rvm: rbx-2
 
 script: bundle exec rake test