.travis.yml in rack-dev-mark-0.6.4 vs .travis.yml in rack-dev-mark-0.7.0

@@ -12,9 +12,10 @@
   - RACK_VERSION=1.3.0
   - RACK_VERSION=1.4.0
   - RAILS_VERSION=3.2.0
   - RAILS_VERSION=4.0.0
   - RAILS_VERSION=4.1.0
+  - I18N_VERSION=0.6.0
 
 script: "bundle exec rake spec"
 
 branches:
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