diff --git a/.travis.yml b/.travis.yml
index 961b4699..6f9d63de 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,4 +8,6 @@ env:
   global:
     - BITCOINORG_BUILD_TYPE=deployment
 
+before_install: gem install bundler --pre
+
 script: make travis