.travis.yml in openstudio-analysis-1.0.0 vs .travis.yml in openstudio-analysis-1.0.1

@@ -1,4 +1,5 @@
 language: ruby
 rvm:
   - 2.2.4
-  - 2.4.2
+  - 2.5.1  # next version of openstudio will use 2.5.1
+before_install: gem install bundler -v 1.16.2