diff --git a/.travis.yml b/.travis.yml
index a20bd3c..76324d8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,11 @@
 script: bundle exec rake spec
 
-rvm:
-  - 1.9.2
-  - 1.9.3
+matrix:
+  allow_failures:
+    - rvm: 1.8.7
+    - rvm: jruby
+    - rvm: rbx
+    - rvm: ree
 
 notifications:
   email: false
@@ -11,3 +14,11 @@ notifications:
     on_failure: always
     urls:
       - http://dx-helper.herokuapp.com/travis
+
+rvm:
+  - 1.8.7
+  - 1.9.2
+  - 1.9.3
+  - jruby
+  - rbx
+  - ree