.travis.yml in keep_up-0.8.0 vs .travis.yml in keep_up-0.8.1

@@ -1,16 +1,20 @@
-sudo: false
 language: ruby
 
-before_install:
+dist: xenial
+
+before_script:
   - git config --global user.email "[e-mail]"
   - git config --global user.name "Your Name"
-  - gem update --system
 
+cache:
+  bundler: true
+
 rvm:
   - 2.4
   - 2.5
   - 2.6
+  - 2.7
   - ruby-head
 
 matrix:
   allow_failures:
     - rvm: ruby-head