diff --git a/.travis.yml b/.travis.yml
index 2131ed30..ff3c0e64 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
 language: cpp
 compiler:
   - gcc
-install: apt-get install libcppunit-dev zlib1g-dev
+install: sudo apt-get install libcppunit-dev zlib1g-dev
 script: cmake && make