diff --git a/.travis.yml b/.travis.yml
index 627f7d8..8be52d4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,6 @@
 # R for travis: see documentation at https://docs.travis-ci.com/user/languages/r
 
 language: r
-sudo: false
 cache: packages
 latex: false