diff --git a/boxes/common/install-puppet b/boxes/common/install-puppet
index 7055b48..a746229 100755
--- a/boxes/common/install-puppet
+++ b/boxes/common/install-puppet
@@ -7,6 +7,6 @@ echo "installing puppet"
 wget http://apt.puppetlabs.com/puppetlabs-release-stable.deb -O "${rootfs}/tmp/puppetlabs-release-stable.deb"
 chroot $rootfs dpkg -i "/tmp/puppetlabs-release-stable.deb"
 chroot $rootfs apt-get update
-chroot $rootfs apt-get install puppet -y
+chroot $rootfs apt-get install puppet -y --force-yes
 
 rm -rf $rootfs/tmp/*