.travis.yml in percy-capybara-1.2.0 vs .travis.yml in percy-capybara-2.0.0

@@ -1,7 +1,11 @@
 language: ruby
+sudo: false
+cache: bundler
 rvm:
   - 1.9.3
   - 2.1.1
   - 2.2.2
   - ruby-head
-script: xvfb-run rspec
+before_install:
+  - gem update bundler
+script: xvfb-run bundle exec rspec