diff --git a/.travis.yml b/.travis.yml
index ac7536c..7226ec2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,8 @@
 sudo: false
 language: ruby
 rvm:
+  - 1.9.1
+  - 1.9.2
   - 1.9.3
   - 2.0.0
   - 2.1