diff --git a/.travis.yml b/.travis.yml
index a71c8df..bbdc87f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,5 +7,5 @@ node_js:
   - "0.10"
 
 install:
-  - apt-get install cscope
+  - sudo apt-get install cscope
   - npm install