1 files changed, 1 insertions, 0 deletions

diff --git a/.travis.yml b/.travis.yml
index 841fe6d..6d024b4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,7 @@ cache: packages
 r:
   - release
   - devel
+cache: packages
 github_packages:
   - r-lib/covr
   - jranke/webchem@bcpc