.travis.yml in opal-rails-0.8.1 vs .travis.yml in opal-rails-0.9.0

@@ -4,17 +4,21 @@
 
 cache:
   bundler: true
 
 rvm:
-  - 2.2
-  - 2.1
+  - 2.3.0
+  - 2.2.3
+  - 2.1.6
   - 2.0.0
-  - 1.9.3
 
 before_script:
   - "export DISPLAY=:99.0"
   - "sh -e /etc/init.d/xvfb start"
+  - "gem install appraisal"
+  - "appraisal install"
+
+script: "appraisal rake"
 
 notifications:
   irc: "irc.freenode.org#opal"