.travis.yml in tjson-0.0.0 vs .travis.yml in tjson-0.1.0

@@ -1,15 +1,16 @@
 language: ruby
 sudo: false
+before_install: gem install bundler
 
 bundler_args: --without development doc
 
 rvm:
   - 2.0
   - 2.1
   - 2.2
   - 2.3.1
-  - jruby-9.0.5.0
+  - jruby-9.1.5.0
 
 matrix:
   fast_finish: true
 
 branches: