.travis.yml in fluent-plugin-mysql-bulk-0.0.7 vs .travis.yml in fluent-plugin-mysql-bulk-0.0.8

@@ -1,9 +1,10 @@
 rvm:
-  - 1.9.2
   - 1.9.3
   - 2.0.0
   - 2.1
   - 2.2
 gemfile:
   - Gemfile
+before_install:
+  - gem update bundler
 script: "rake test"