diff --git a/README.md b/README.md
index a08c304a..d375e10e 100644
--- a/README.md
+++ b/README.md
@@ -351,7 +351,7 @@ class { 'systemd':
 }
 ```
 
-when `manage_systemd` is true any required sub package, e.g. `systemd-resolved` on CentOS 9, will be installed. However configuration of
+when `manage_systemd` is true any required sub package, e.g. `systemd-resolved` on CentOS 9 or Debian 12, will be installed. However configuration of
 systemd-resolved will only occur on second puppet run after that installation.
 
 This requires [puppetlabs-inifile](https://forge.puppet.com/puppetlabs/inifile), which is only a soft dependency in this module (you need to explicitly install it). Both parameters accept a string or an array.
diff --git a/data/Debian-12.yaml b/data/Debian-12.yaml
new file mode 100644
index 00000000..ae774831
--- /dev/null
+++ b/data/Debian-12.yaml
@@ -0,0 +1,11 @@
+---
+systemd::accounting:
+  DefaultCPUAccounting: 'yes'
+  DefaultIOAccounting: 'yes'
+  DefaultIPAccounting: 'yes'
+  DefaultBlockIOAccounting: 'yes'
+  DefaultMemoryAccounting: 'yes'
+  DefaultTasksAccounting: 'yes'
+
+systemd::timesyncd_package: 'systemd-timesyncd'
+systemd::resolved_package: 'systemd-resolved'
diff --git a/metadata.json b/metadata.json
index 4a78a8cb..5a773888 100644
--- a/metadata.json
+++ b/metadata.json
@@ -22,7 +22,8 @@
       "operatingsystem": "Debian",
       "operatingsystemrelease": [
         "10",
-        "11"
+        "11",
+        "12"
       ]
     },
     {
diff --git a/spec/acceptance/resolved_spec.rb b/spec/acceptance/resolved_spec.rb
index 146b42b3..a786492f 100644
--- a/spec/acceptance/resolved_spec.rb
+++ b/spec/acceptance/resolved_spec.rb
@@ -12,8 +12,11 @@
       }
       PUPPET
       apply_manifest(pp, catch_failures: true)
-      # RedHat 7, 9 and newer installs package first run before fact $facts['internal_services'] is set
-      apply_manifest(pp, catch_failures: true) if fact('os.release.major') != '8' && (fact('os.family') == 'RedHat')
+      # RedHat 7, 9, Debian 12 and newer installs package first run before fact $facts['internal_services'] is set
+      if (fact('os.release.major') != '8' && (fact('os.family') == 'RedHat')) ||
+         ((fact('os.name') == 'Debian' && fact('os.release.major').to_i >= 12))
+        apply_manifest(pp, catch_failures: true)
+      end
       apply_manifest(pp, catch_changes: true)
     end
 
diff --git a/spec/classes/init_spec.rb b/spec/classes/init_spec.rb
index 75afea3f..ab2e9340 100644
--- a/spec/classes/init_spec.rb
+++ b/spec/classes/init_spec.rb
@@ -40,7 +40,7 @@
           it { is_expected.not_to contain_file('/etc/systemd/network') }
 
           case [facts[:os]['family'], facts[:os]['release']['major']]
-          when %w[RedHat 7], %w[RedHat 9]
+          when %w[RedHat 7], %w[RedHat 9], %w[Debian 12]
             it { is_expected.to contain_package('systemd-resolved') }
           else
             it { is_expected.not_to contain_package('systemd-resolved') }