diff --git a/Vagrantfile b/Vagrantfile
index f7b6b14..006c2c3 100644
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -26,7 +26,7 @@ Vagrant.configure(2) do |config|
     ldap.vm.network "private_network", ip: "192.168.56.5"
 
     ldap.vm.provision :chef_zero do |chef|
-      chef.version                            = "17.10.0"
+      chef.version                            = "18.2.7"
       chef.node_name                          = "vagrant-node-ldap"
       chef.arguments                          = "--chef-license accept"
       chef.cookbooks_path                     = ["cookbooks", "site-cookbooks"]
@@ -49,7 +49,7 @@ Vagrant.configure(2) do |config|
     # bitcoin.vm.synced_folder "../kredits/yap/", "/opt/yap"
 
     bitcoin.vm.provision :chef_zero do |chef|
-      chef.version                            = "15.13.8"
+      chef.version                            = "18.2.7"
       chef.node_name                          = "vagrant-node-bitcoin"
       chef.arguments                          = "--chef-license accept"
       chef.cookbooks_path                     = ["cookbooks", "site-cookbooks"]