diff --git a/.travis.yml b/.travis.yml
index d465915..907c75f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,6 +2,8 @@ language: r
 warnings_are_errors: true
 sudo: required
 
+cache: packages
+
 apt_packages:
  - binutils
  - libproj-dev