.travis.yml in phare-1.0.0 vs .travis.yml in phare-1.0.1

@@ -1,9 +1,11 @@
 language: ruby
 
 rvm:
-  - 2.1.1
-  - 2.0.0
+  - 2.3.1
+  - 2.2
+  - 2.1
+  - 2.0
 
 script:
   - 'echo "Checking code style" && ./bin/phare'
   - 'echo "Running specs" && bundle exec rake spec'