.travis.yml in chatterbot-2.0.3 vs .travis.yml in chatterbot-2.0.4

@@ -1,11 +1,9 @@
 language: ruby
 rvm:
-  - 2.0.0
-  - 2.1.1
-  - 2.2.0
-  - ruby-head
+  - 2.2.2
+  - 2.3.0
 before_install:
-  - gem install bundler -v '~> 1.11'
+  - echo "yes" | gem uninstall json; gem install bundler -v '~> 1.11'
 
 # uncomment this line if your project needs to run something other than `rake`:
 # script: bundle exec rspec spec
\ No newline at end of file