diff --git a/.travis.yml b/.travis.yml
index a388ad8..776dcfb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,7 @@
+sudo: required
 language: python
 install:
+  - sudo apt-get install graphicsmagick
   - pip install -r requirements.txt
   - python setup.py develop
 python: