diff --git a/.travis.yml b/.travis.yml
index 742b39c237..ea4772101b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1 +1,7 @@
-script: "rake test"
\ No newline at end of file
+script: "rake test"
+rvm:
+  - 1.8.7
+  - 1.9.2
+  - ree
+  - rbx
+  - jruby
\ No newline at end of file