diff --git a/.travis.yml b/.travis.yml
index d9a9d52..1147e27 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,3 +1,13 @@
 language: ruby
 rvm:
-  - 2.1.3
+  - 1.8.7
+  - 1.9.2
+  - 1.9.3
+  - 2.0.0
+  - 2.1.5
+  - rbx-2.0.0
+  - rbx-2.1.1
+  - rbx-2.2.10
+  - rbx-2.3
+  - jruby-18mode
+  - jruby-19mode