We're still supporting old versions of Rails and ruby that do not support bundler 2.x (#215)

amatsuda · pkuczynski · commit 3a28b646a69c · 2019-01-12T18:31:41.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -56,7 +56,7 @@ matrix:
     - rvm: 2.6.0
       gemfile: gemfiles/rails_4.1.gemfile
 before_install:
-  - gem install bundler
+  - gem install bundler -v '<2'
 script:
   - bundle exec rspec
 addons:
