.travis.yml in pg_objects-0.5.2 vs .travis.yml in pg_objects-0.5.3

@@ -1,9 +1,10 @@
 sudo: false
 language: ruby
 rvm:
   - 2.5.7
   - 2.6.5
+  - 2.7.0
 before_install: gem install bundler -v 1.16.2
 script:
  - bundle exec rspec spec
  - bundle exec rubocop