diff --git a/.travis.yml b/.travis.yml
index e81eea7..fe09f30 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,12 @@
 language: node_js
+cache:
+  directories:
+    - node_modules
+branches:
+  only:
+    - master
+notifications:
+  email: false
 node_js:
   - iojs