diff --git a/.travis.yml b/.travis.yml
index 2e36932..942a930 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,7 +11,9 @@
 install:
     - npm install
 
-cache: node_modules
+cache:
+    directories:
+        - node_modules
 
 before_script:
     - export DISPLAY=:99.0