diff --git a/.travis.yml b/.travis.yml
index a082ea3d..648a8a3b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,8 +5,12 @@ rvm:
   - 2.1
   - 2.0
 matrix:
+  # Rubinius periodically fails in general, and it always segfaults for RuboCop
+  # in particular. Until we figure out how to make it work consistently, allow
+  # it to fail without breaking the build.
+  allow_failures:
+    - rvm: rbx-2
   include:
-    # Run specs on Rubinius, but not RuboCop, since it seg faults
     - rvm: rbx-2
       script: bundle exec rake spec
 script: bundle exec rake spec rubocop