diff --git a/.travis.yml b/.travis.yml
index 699464ed..57714b2f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,7 @@
 language: node_js
 node_js:
 - '8'
+cache: yarn
 env:
   global:
   - GH_REF: github.com/Rebilly/ReDoc.git