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

@@ -1,9 +1,10 @@
 language: ruby
 rvm:
-  - 1.8.7
-  - 1.9.2
   - 1.9.3
-  - jruby-18mode
+  - 2.0.0
+  - 2.1.0
+  - 2.2.0
   - jruby-19mode
-  - rbx-18mode
-  - rbx-19mode
+gemfile:
+  - gemfiles/mail_2.6.gemfile
+  - gemfiles/mail_2.7.gemfile