diff --git a/.travis.yml b/.travis.yml
index f3921ec7863a001163e4ff29548f954c9830d20e..e818df4b921fc740c3e98a94654b09202687cccf 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,7 +15,7 @@ matrix:
 before_install:
   - sudo add-apt-repository -y ppa:biometrics/bob
   - sudo apt-get update -qq
-  - sudo apt-get install -qq bob-dev
+  - sudo apt-get install -qq --force-yes bob-dev
   - sudo apt-get install -qq python-opencv libcv-dev libcvaux-dev libopencv-dev
   - if [ -n "${NUMPYSPEC}" ]; then sudo apt-get install -qq libatlas-dev libatlas-base-dev liblapack-dev gfortran; fi
   - if [ -n "${NUMPYSPEC}" ]; then pip install --upgrade pip setuptools; fi