diff --git a/Puppetfile b/Puppetfile
--- a/Puppetfile
+++ b/Puppetfile
@@ -113,7 +113,7 @@
 
 mod 'keycloak',
     :git => 'https://forge.softwareheritage.org/source/puppet-treydock-keycloak',
-    :ref => 'v6.10.0'
+    :ref => 'v6.16.0'
 
 mod 'letsencrypt',
     :git => 'https://forge.softwareheritage.org/source/puppet-puppet-letsencrypt',
@@ -141,7 +141,7 @@
 
 mod 'postgresql',
     :git => 'https://forge.softwareheritage.org/source/puppet-puppetlabs-postgresql',
-    :ref => 'v6.3.0'
+    :ref => 'v6.4.0'
 
 mod 'pgbouncer',
     :git => 'https://forge.softwareheritage.org/source/puppet-covermymeds-pgbouncer',
diff --git a/data/defaults.yaml b/data/defaults.yaml
--- a/data/defaults.yaml
+++ b/data/defaults.yaml
@@ -2846,9 +2846,13 @@
   account_theme: swh
   admin_theme: swh
   login_theme: swh
+  smtp_server_host: localhost
+  smtp_server_from: noreply@softwareheritage.org
+  smtp_server_from_display_name: Software Heritage Authentication Service
 
 keycloak::resources::clients::common_settings:
   public_client: true
+  login_theme: swh
   default_client_scopes:
     - profile
     - email