Change back to sudo
diff --git a/.travis.yml b/.travis.yml
index e75b01b..8b6843f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,7 @@
 compiler:
   - gcc
 before_install:
-  - pip install cpp-coveralls
+  - sudo pip install cpp-coveralls
 addons:
   apt:
     packages: