diff --git a/build-root/vagrant/build.sh b/build-root/vagrant/build.sh
index 45a7eb4..aaaa62f 100755
--- a/build-root/vagrant/build.sh
+++ b/build-root/vagrant/build.sh
@@ -34,7 +34,7 @@
 
 # Install dependencies
 cd $VPP_DIR
-make install-dep
+make UNATTENDED=yes install-dep
 
 # Really really clean things up so we can be sure
 # that the build works even when switching distros