try to placate travis

timbreitkreutz · timbreitkreutz · commit cf870fdeee23 · 2017-09-05T16:56:48.000-07:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,5 +1,5 @@
 language: ruby
 sudo: false
 rvm:
-  - 2.1.0
+  - 2.3.4
   - jruby-19mode
