diff --git a/.travis.yml b/.travis.yml
index b2be7aa2b..2783c4f8f 100755
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,9 @@ node_js:
 - "6"
 - "8"
 - "10"
+cache:
+  directories:
+    - "node_modules"
 script:
 - npm run lint
 - npm test