diff --git a/.travis.yml b/.travis.yml
index 4afc9b1..4611824 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,3 +7,4 @@ rvm:
   # - jruby-19mode # JRuby in 1.9 mode
   - rbx-18mode
   - rbx-19mode
+services: mongodb
\ No newline at end of file