.travis.yml in graphql-pagination-0.2.3 vs .travis.yml in graphql-pagination-1.0.0

@@ -3,9 +3,9 @@
 language: ruby
 cache: bundler
 rvm:
   - 2.5.7
   - 2.6.5
-before_install: gem install bundler -v 2.0.2
+before_install: gem install bundler -v 2.1.1
 script:
   - bundle exec rspec
   - bundle exec rubocop