diff --git a/.travis.yml b/.travis.yml
index f550be0..b778b6b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,3 +17,5 @@ matrix:
   allow_failures:
     - rvm: ruby-head
     - rvm: rbx-2
+before_install:
+  - gem update bundler