.travis.yml in zenlish-0.2.01 vs .travis.yml in zenlish-0.2.02

@@ -7,11 +7,12 @@
 
 script:
   - bundle exec rake
   
 rvm:
-  - 2.6.3
-  - 2.5.5
+  - 2.7.0
+  - 2.6.5
+  - 2.5.7
   - 2.4.6
   - jruby-9.1.9.0
   
 matrix:
   allow_failures: