diff --git a/.travis.yml b/.travis.yml
index 942e6b6..a9bb276 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,5 @@
 language: c
+sudo: required
 
 before_install:
   - curl -OL http://raw.github.com/craigcitro/r-travis/master/scripts/travis-tool.sh