.travis.yml in bitzer_store-1.1.0 vs .travis.yml in bitzer_store-1.1.1

@@ -1,15 +1,13 @@
 language: ruby
-before_install:
-  - gem install bundler
 before_script:
   - bundle update
 cache: bundler
 rvm:
-  - 2.2.9
-  - 2.3.6
-  - 2.4.3
-  - 2.5.1
+  - 2.3.8
+  - 2.4.5
+  - 2.5.3
+  - 2.6.0
 gemfile:
   - gemfiles/rails50.gemfile
   - gemfiles/rails51.gemfile
   - gemfiles/rails52.gemfile
 matrix: