diff --git a/.travis.yml b/.travis.yml
index 4e167bde..ddc6f1c8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,7 @@
 language: ruby
 rvm:
   - 2.3.3
+cache: bundler
 
 before_script:
   - chmod +x ./ci/cibuild  # or do this locally and commit