diff --git a/.travis.yml b/.travis.yml
index ce8ae55..0c1aca2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,6 +2,8 @@ sudo: false
 language: ruby
 cache: bundler
 rvm:
+  - 1.8.7
+  - ree
   - 1.9.3
   - 2.0.0
   - 2.1