diff --git a/.travis.yml b/.travis.yml
index 95539d3..3abe5bf 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,7 @@ r:
   - devel
 r_packages:
   - covr
+cache: packages
 
 after_success:
   - Rscript -e 'library(covr); codecov()'