diff --git a/.travis.yml b/.travis.yml
index 984e26f..f9ad29b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,3 +8,8 @@ rvm:
   - rbx-19mode
   - 1.8.7
 script: thor spec
+matrix:
+  allow_failures:
+    - rvm: 1.8.7
+    - rvm: rbx-18mode
+    - rvm: jruby-18mode