diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -182,8 +182,6 @@
 
 ```
 apt install vagrant virtualbox-6.0 nfs-kernel-server linux-headers-$(uname --kernel-release)
-# An additional plugin must be installed to manage the virtualbox addons in the vms
-vagrant plugin install vagrant-vbguest --plugin-version "< 0.25.0"
 ```
 
 Note:
@@ -192,7 +190,6 @@
 - `nfs-kernel-server` is needed to export and share the local /tmp/puppet to the
   vm
 - `linux-headers` package is required for the vbox guest additions
-- vagrant-vbguest 0.25.0 makes the first "vagrant up <vm>" fail
 
 ### Usage
 
diff --git a/Vagrantfile b/Vagrantfile
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -4,12 +4,12 @@
 environment="staging"
 
 # local configuration
-#$global_debian10_box     = "debian10-20200922-0913"
-#$global_debian10_box_url = "file:///path/to/packer/builds/swh-debian-10.5-amd64-20200922-0913.box"
+#$global_debian10_box = "debian10-20201001-0747"
+#$global_debian10_box_url = "file:///path/to/packer/builds/swh-debian-10.6-amd64-20201001-0747.box"
 
 # http configuration
-$global_debian10_box = "debian10-20200930-0816"
-$global_debian10_box_url = "https://annex.softwareheritage.org/public/isos/virtualbox/debian/swh-debian-10.6-amd64-20200930-0816.box"
+$global_debian10_box = "debian10-20201001-0747"
+$global_debian10_box_url = "https://annex.softwareheritage.org/public/isos/virtualbox/debian/swh-debian-10.6-amd64-20201001-0747.box"
 
 Vagrant.configure("2") do |global_config|
   ################
diff --git a/packer/debian_buster.json b/packer/debian_buster.json
--- a/packer/debian_buster.json
+++ b/packer/debian_buster.json
@@ -59,6 +59,14 @@
                 "scripts": [
                     "scripts/post-install.sh"
                 ]
+            },
+            {
+                "type": "shell",
+                "expect_disconnect": "false",
+                "execute_command": "echo 'vagrant'|{{.Vars}} sudo -S -E bash '{{.Path}}'",
+                "scripts": [
+                    "scripts/install-vbguest.sh"
+                ]
             }
         ],
 
diff --git a/packer/scripts/install-vbguest.sh b/packer/scripts/install-vbguest.sh
new file mode 100644
--- /dev/null
+++ b/packer/scripts/install-vbguest.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+
+# Install kernel headers
+export DEBIAN_FRONTEND=noninteractive
+apt-get install -y build-essential linux-headers-$(uname -r)
+
+# mount the vbguest iso
+env
+
+mount VBoxGuestAdditions_*.iso /media/cdrom
+cd /media/cdrom
+
+./VBoxLinuxAdditions.run
+
+if ! test -f /lib/modules/$(uname -r)/kernel/drivers/virt/vboxguest/vboxguest.ko
+then
+  echo "vboxsf module not detected"
+  echo "Installation of guest additions was not successful"
+  exit 1
+fi
+
+####
+# Cleanup
+####
+umount /media/cdrom
+rm -v /home/vagrant/VBoxGuestAdditions*.iso
diff --git a/packer/scripts/post-install.sh b/packer/scripts/post-install.sh
--- a/packer/scripts/post-install.sh
+++ b/packer/scripts/post-install.sh
@@ -14,6 +14,8 @@
 deb-src http://deb.debian.org/debian buster-updates main
 EOF
 
+export DEBIAN_FRONTEND=noninteractive
+
 apt-get update
 apt-get install -y man wget curl telnet net-tools dnsutils traceroute unbound
 
@@ -59,8 +61,3 @@
 allow-hotplug eth0
 iface eth0 inet dhcp
 EOF
-
-####
-# Cleanup
-####
-#rm -v /home/vagrant/VBoxGuestAdditions*.iso