diff --git a/.travis.yml b/.travis.yml
index fa49a978..06ea113f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,7 @@ before_install:
 - sh -e /etc/init.d/xvfb start
 - sleep 3
 install:
-- sudo -E apt-get -y install mingw-w64 g++-mingw-w64-x86-64 g++-mingw-w64-i686 debootstrap
+- sudo -E apt-get -y install mingw-w64 g++-mingw-w64-x86-64 g++-mingw-w64-i686 debootstrap cython
   make wine xvfb python-pip >/dev/null
 - pip install pylzma
 services: