diff --git a/Vagrantfile b/Vagrantfile
index 7cf5a9dced..0a54a52130 100644
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -137,12 +137,12 @@ Vagrant.configure('2') do |config|
   ############################################################################
   config.vm.define "sandbox", autostart: false do |sandbox|
     sandbox.vm.network :private_network, ip: '192.168.51.63'
-    sandbox.vm.hostname = "sandbox.proteusthemes.dev"
+    sandbox.vm.hostname = "sandbox.proteusthemes.test"
 
     if Vagrant.has_plugin? 'vagrant-hostmanager'
       sandbox.hostmanager.enabled = true
       sandbox.hostmanager.manage_host = true
-      sandbox.hostmanager.aliases = ['xml-io.proteusthemes.dev']
+      sandbox.hostmanager.aliases = ['xml-io.proteusthemes.test']
     end
 
     sandbox.vm.provision :ansible do |ansible|
diff --git a/group_vars/development/mail.yml b/group_vars/development/mail.yml
index 5e4c2d0416..40d8208b4e 100644
--- a/group_vars/development/mail.yml
+++ b/group_vars/development/mail.yml
@@ -1,7 +1,7 @@
 # Documentation: https://roots.io/trellis/docs/mail/
 mailhog_install_ssmtp: no
-mail_admin: admin@proteusthemes.dev
-mail_hostname: proteusthemes.dev
+mail_admin: admin@proteusthemes.test
+mail_hostname: proteusthemes.test
 mail_smtp_server: localhost:1025
 ssmtp_auth_method: ""
 ssmtp_start_tls: 'no'
diff --git a/group_vars/development/static_sites.yml b/group_vars/development/static_sites.yml
index 240d7765d7..fb919d4995 100644
--- a/group_vars/development/static_sites.yml
+++ b/group_vars/development/static_sites.yml
@@ -1,7 +1,7 @@
 static_sites:
   apps.proteusthemes.com:
     site_hosts:
-      - apps.proteusthemes.dev
+      - apps.proteusthemes.test
     local_path: ../www/apps.proteusthemes.com
     ssl:
       enabled: false