diff --git a/.travis.yml b/.travis.yml
index 9567f89a..04bd027e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,6 @@
 language: ruby
 rvm:
+  - "1.9.1"
   - "1.9.2"
   - "1.9.3"
 script: bundle exec rspec --format documentation