diff --git a/post-debootstrap-installer.sh b/post-debootstrap-installer.sh
index 0dc4394..aa94910 100755
--- a/post-debootstrap-installer.sh
+++ b/post-debootstrap-installer.sh
@@ -7,7 +7,7 @@ cp -a /hardware-setup/config/* /
 
 # update apt because sources.list.d is also in config/*
 apt-get update
-apt-get dist-upgrade
+apt-get -y dist-upgrade
 
 
 # locales