.travis.yml in danger-ios_logs-0.1.1 vs .travis.yml in danger-ios_logs-0.1.2

@@ -2,12 +2,15 @@
 cache:
   directories:
     - bundle
 
 rvm:
-  - 2.0
-  - 2.1.3
-  - 2.3.3
-  - 2.4.0
+  - 2.3.8
+  - 2.4.6
+  - 2.5.5
+  - 2.6.3
 
+before_install:
+  - gem install -v 1.17.2 bundler --no-document
+
 script:
-    - bundle exec rake spec
+  - bundle exec rake spec