.travis.yml in humanize-bytes-2.1.0 vs .travis.yml in humanize-bytes-2.2.0

@@ -2,6 +2,10 @@
   - 1.8.7
   - 1.9.2
   - 1.9.3
   - 2.0
   - 2.1.2
-  - jruby
+  - 2.2.3
+  - jruby
+
+before_install:
+  - gem update bundler
\ No newline at end of file