1 files changed, 1 insertions, 0 deletions
diff --git a/.travis.yml b/.travis.yml
index 94ef2e2d..09e361c4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,6 +10,7 @@ addons:
 cache: packages
 repos:
   CRAN: https://cloud.r-project.org
+  https: https://jranke.github.io/drat
 r_packages:
   - nlme
   - devtools