.travis.yml in rack-bearer_auth-0.1.1 vs .travis.yml in rack-bearer_auth-1.0.0

@@ -1,9 +1,9 @@
 sudo: false
 language: ruby
 rvm:
-  - 2.3.7
-  - 2.4.4
-  - 2.5.1
-before_install: gem install bundler -v 1.16.1
+  - 2.3.8
+  - 2.4.5
+  - 2.5.5
+  - 2.6.2
 script:
   - bundle exec rake spec