Enable bundler caching on travis

diff --git a/.travis.yml b/.travis.yml
index 371586b97e510595d7afe026bf94a61b004d88ba..72686829aae3edc68f2d46abb52944e08646d5de 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,7 @@
 ---
 sudo: false
 language: ruby
+cache: bundler
 bundler_args: --without system_tests
 script: "bundle exec rake validate && bundle exec rake lint && bundle exec rake spec SPEC_OPTS='--color --format documentation'"
 matrix: