diff --git a/.travis.yml b/.travis.yml
index 46cfe05..a9047ce 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,6 +6,10 @@ rvm:
   - 2.1
   - 2.2
 
+install:
+  - "gem install bundler"
+  - "bundle install --jobs=3 --retry=3"
+
 env:
   -
   - RACK_VERSION=1.1.0