.travis.yml in terraforming-0.2.0 vs .travis.yml in terraforming-0.3.0

@@ -1,8 +1,8 @@
 language: ruby
 rvm:
-- 2.2
-- 2.1
+- 2.2.3
+- 2.1.7
 - 2.0
 env:
 - secure: n0mxwnyjuXI4mJO4mp++2TnsPJ+XgCF/J1U2L5piE5j3xMhSU+5V0JrA1uFlS0Pemb44M7BjgmF9S4G35BwyAQpctpCYhqy9tFa6+Y6nxEv5hCv2cZz7BSAZM6eb+zq20409hxTHRaQOr1DBeE4R5S2PrmOXRqvYfTRv3LNSLFk=
 notifications:
   slack: