diff --git a/README.md b/README.md
index d9feb40..780b197 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ A customizable, programmatically generated VM and live environment for GNU Radio
 ## Main Features
 
 - OVA VM appliance can be imported in all main virtualization solutions or `dd`ed on a USB drive.
-- Based on Ubuntu 18.04 w/ GNOME 3.
+- Based on Ubuntu 20.04.1 w/ GNOME 3.
 - Two step build process: first create a base image, then extend it with SDR stuff.
 - Easy to brand for your own courses/workshops. Just replace the wallpaper in the `assets` folder, for example.
 - Software: GNU Radio, GQRX, gr-ieee-***, ...
diff --git a/configure b/configure
index 736d40d..1bb7aaa 100755
--- a/configure
+++ b/configure
@@ -3,22 +3,22 @@
 set -eu
 
 echo ""
-echo "Checking for wget (tested with 1.17.1)"
+echo "Checking for wget (tested with 1.21)"
 command -v wget >/dev/null 2>&1 || ( echo "wget not found."; exit 1 )
 wget --version
 
 echo ""
-echo "Checking for HashiCorp Packer (tested with 1.2.1)"
+echo "Checking for HashiCorp Packer (tested with 1.6.6)"
 command -v packer >/dev/null 2>&1 || ( echo "packer not found."; exit 1 )
 packer --version || true
 
 echo ""
-echo "Checking for Oracle VM VirtualBox (tested with 5.2.8)"
+echo "Checking for Oracle VM VirtualBox (tested with 6.1.32_Ubuntur149290)"
 command -v VBoxManage >/dev/null 2>&1 || ( echo "VBoxManage not found."; exit 1 )
 VBoxManage --version
 
 echo ""
-echo "Checking for Oracle VM VirtualBox Extension Pack (tested with 5.2.8)"
+echo "Checking for Oracle VM VirtualBox Extension Pack (tested with 6.1.32_Ubuntur149290)"
 VBoxManage list extpacks | grep "VirtualBox Extension Pack" || ( echo "VirtualBox Extension Pack not installed."; exit 1 )
 
 echo ""