.travis.yml in mrkt-0.9.0 vs .travis.yml in mrkt-0.10.0

@@ -1,11 +1,10 @@
 language: ruby
 rvm:
-  - 2.0.0
-  - 2.1.10
-  - 2.2.8
-  - 2.3.5
-  - 2.4.2
+  - 2.3.6
+  - 2.4.3
+  - 2.5.0
+  - 2.6.0
 addons:
   code_climate:
     repo_token: 45cd2174f49b570406e294ff393d456c4ae8532cf16dd6430abb06d8a0722a28
 after_success:
   - bundle exec codeclimate-test-reporter