diff --git a/.travis.yml b/.travis.yml
index e2aaf2a..3e1900b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,6 +2,7 @@ before_install:
   - curl https://ftp-master.debian.org/keys/archive-key-7.0.asc | sudo apt-key add -
   - echo "deb http://http.debian.net/debian wheezy-backports main" | sudo tee -a /etc/apt/sources.list
   - sudo apt-get update -qq
+  - sudo DEBIAN_FRONTEND=noninteractive apt-get upgrade -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confold" -f -q -y ; true
   - sudo ./tests/cfg/deploy.sh
 
 language: python