diff --git a/.travis.yml b/.travis.yml
index e57af4a..86e4dd6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,11 +4,13 @@ node_js:
     - "stable"
     - "6"
 
+cache:
+  directories:
+    - node_modules
+
 notifications:
     email: false
 
-before_script: npm install
-
 after_success: npm run coverage
 
 branches: