diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 30abf27d..d0c001ee 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -59,7 +59,9 @@ jobs:
         run: bundle exec rake lint
 
   functional:
-    runs-on: macos-12
+    runs-on: macos-latest
+    env:
+      VAGRANT_DISABLE_VBOXSYMLINKCREATE: "1"
     strategy:
       matrix:
         ruby:
diff --git a/Vagrantfile b/Vagrantfile
index 13d20725..6449c845 100644
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -1,9 +1,18 @@
 VAGRANTFILE_API_VERSION = "2"
 
 Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
-  config.vm.box = 'bento/ubuntu-22.10'
-
+  config.vm.box = 'debian/bullseye64'
+  config.vm.box_version = '11.20220328.1'
   config.vm.boot_timeout = 600 # seconds
+  config.vm.provider 'virtualbox' do |vb|
+    vb.memory = '4096'
+    vb.cpus = '2'
+
+    # https://github.com/hashicorp/vagrant/issues/11777#issuecomment-661076612
+    vb.customize ['modifyvm', :id, '--uart1', '0x3F8', '4']
+    vb.customize ['modifyvm', :id, '--uartmode1', 'file', File::NULL]
+  end
+
   config.ssh.insert_key = false
   config.vm.provision "shell", inline: <<-SHELL
   echo 'ClientAliveInterval 3' >> /etc/ssh/sshd_config