diff --git a/nodes/centaurus.kosmos.org.json b/nodes/centaurus.kosmos.org.json
index 777e9cd..3fd6a8b 100644
--- a/nodes/centaurus.kosmos.org.json
+++ b/nodes/centaurus.kosmos.org.json
@@ -8,11 +8,12 @@
   "automatic": {
     "fqdn": "centaurus.kosmos.org",
     "os": "linux",
-    "os_version": "4.15.0-101-generic",
+    "os_version": "5.4.0-42-generic",
     "hostname": "centaurus",
     "ipaddress": "78.46.59.98",
     "roles": [
       "gitea",
+      "postgresql_client",
       "postgresql_replica"
     ],
     "recipes": [
@@ -30,6 +31,7 @@
       "ntp::default",
       "ntp::apparmor",
       "kosmos-base::systemd_emails",
+      "apt::unattended-upgrades",
       "kosmos-base::firewall",
       "kosmos-postfix::default",
       "postfix::default",
@@ -54,7 +56,7 @@
       "build-essential::default"
     ],
     "platform": "ubuntu",
-    "platform_version": "18.04",
+    "platform_version": "20.04",
     "cloud": null,
     "chef_packages": {
       "ohai": {
diff --git a/site-cookbooks/kosmos-nginx/recipes/default.rb b/site-cookbooks/kosmos-nginx/recipes/default.rb
index ddff5b2..87f386f 100644
--- a/site-cookbooks/kosmos-nginx/recipes/default.rb
+++ b/site-cookbooks/kosmos-nginx/recipes/default.rb
@@ -47,7 +47,7 @@ include_recipe 'nginx'
 # Override the nginx package resource to set a specific version, allowing
 # to upgrade it
 edit_resource!(:package, 'nginx') do
-  version "1.17.3-1~#{node['lsb']['codename']}"
+  version "1.19.1-1~#{node['lsb']['codename']}"
   notifies :reload, 'ohai[reload_nginx]', :immediately
 end