diff --git a/.travis.yml b/.travis.yml
index 8e831e5e..d89372e3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,9 @@
 sudo: false
 language: ruby
 cache: bundler
-script: "TESTOPTS=-v bundle exec rake test"
+script:
+  - gem install rack
+  - "TESTOPTS=-v bundle exec rake test"
 rvm:
   - 1.9.3
   - 2.0.0