diff --git a/clr-k8s-examples/Vagrantfile b/clr-k8s-examples/Vagrantfile
index a17c7c3..0c1d3b3 100644
--- a/clr-k8s-examples/Vagrantfile
+++ b/clr-k8s-examples/Vagrantfile
@@ -13,6 +13,7 @@ $disks = 2
 $disk_prefix = File.basename(File.dirname(__FILE__), "/")
 $disk_size = "10G"
 $box = "AntonioMeireles/ClearLinux"
+$box_ver = (ENV['CLEAR_VBOX_VER'])
 File.exists?("/usr/share/qemu/OVMF.fd") ? $loader = "/usr/share/qemu/OVMF.fd" : $loader = File.join(File.dirname(__FILE__), "OVMF.fd")
 $vm_name_prefix = "clr"
 $base_ip = IPAddr.new("192.52.100.10")
@@ -47,7 +48,7 @@ Vagrant.configure("2") do |config|
   # Every Vagrant development environment requires a box. You can search for
   # boxes at https://vagrantcloud.com/search.
   config.vm.box = $box
-  config.vm.box_version = "30260"
+  config.vm.box_version = $box_ver
 
   # Mount the current dir at home folder instead of default
   config.vm.synced_folder './', '/vagrant', disabled: true