diff --git a/.travis.yml b/.travis.yml
index be762fb..425a5c3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,9 @@ python:
 env:
   - DJANGO=1.3
   - DJANGO=1.4
+before_install:
+  - sudo apt-get update -qq
+  - sudo apt-get install -qq libarchive-dev
 install:
   - pip install .
 script: