diff --git a/vagrant/Vagrantfile b/vagrant/Vagrantfile
index 352e5d7f1..02bfa86ed 100644
--- a/vagrant/Vagrantfile
+++ b/vagrant/Vagrantfile
@@ -1,7 +1,19 @@
 # -*- mode: ruby -*-
 # vi: set ft=ruby :
 
-Vagrant.require_version ">= 1.8.0"
+class Hash
+  def slice(*keep_keys)
+    h = {}
+    keep_keys.each { |key| h[key] = fetch(key) if has_key?(key) }
+    h
+  end unless Hash.method_defined?(:slice)
+  def except(*less_keys)
+    slice(*keys - less_keys)
+  end unless Hash.method_defined?(:except)
+end
+
+
+Vagrant.require_version ">= 2.2.14"
 
 # We use bootstrap concourse SG and a subnet in default VPC in each region
 AWS_ACCOUNT = ENV.fetch("AWS_ACCOUNT", "dev")