.travis.yml in vagrant-unbundled-2.0.2.0 vs .travis.yml in vagrant-unbundled-2.0.3.0

@@ -8,11 +8,12 @@
   apt:
     packages:
     - bsdtar
 
 rvm:
-  - 2.3.5
-  - 2.4.2
+  - 2.3.6
+  - 2.4.3
+  - 2.5.0
 
 branches:
   only:
     - master