diff --git a/REFERENCE.md b/REFERENCE.md
index 3114bbb..228a4f2 100644
--- a/REFERENCE.md
+++ b/REFERENCE.md
@@ -36,6 +36,11 @@ This module has been tested to work on the following systems:
   * Suse 15
   * OpenSuse 13.1
   * Ubuntu 12.04 LTS
+  * Ubuntu 14.04 LTS
+  * Ubuntu 16.04 LTS
+  * Ubuntu 18.04 LTS
+  * Ubuntu 20.04 LTS
+  * Ubuntu 22.04 LTS
 
 Compatibility with Dell Authentication Services
 -----------------------------------------------
diff --git a/manifests/init.pp b/manifests/init.pp
index 1e8880d..79fb301 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -29,6 +29,11 @@
 #     * Suse 15
 #     * OpenSuse 13.1
 #     * Ubuntu 12.04 LTS
+#     * Ubuntu 14.04 LTS
+#     * Ubuntu 16.04 LTS
+#     * Ubuntu 18.04 LTS
+#     * Ubuntu 20.04 LTS
+#     * Ubuntu 22.04 LTS
 #
 #   Compatibility with Dell Authentication Services
 #   -----------------------------------------------
diff --git a/metadata.json b/metadata.json
index 05b83a8..ecfecc4 100644
--- a/metadata.json
+++ b/metadata.json
@@ -96,7 +96,12 @@
     {
       "operatingsystem": "Ubuntu",
       "operatingsystemrelease": [
-        "12.04"
+        "12.04",
+        "14.04",
+        "16.04",
+        "18.04",
+        "20.04",
+        "22.04"
       ]
     }
   ],
diff --git a/spec/classes/init_spec.rb b/spec/classes/init_spec.rb
index 01fd0fd..b58e3aa 100644
--- a/spec/classes/init_spec.rb
+++ b/spec/classes/init_spec.rb
@@ -174,6 +174,61 @@
         enable_opt_auto_propagate: true,
       },
     ),
+    'ubuntu14' => defaults.merge(
+      {
+        osfamily:                  'Debian',
+        operatingsystemmajrelease: '14',
+        server_user:               nil,
+        service_provider:          nil,
+        enable_db_services:        true,
+        enable_db_netgroup:        false,
+        enable_opt_auto_propagate: true,
+      },
+    ),
+    'ubuntu16' => defaults.merge(
+      {
+        osfamily:                  'Debian',
+        operatingsystemmajrelease: '16',
+        server_user:               nil,
+        service_provider:          nil,
+        enable_db_services:        true,
+        enable_db_netgroup:        false,
+        enable_opt_auto_propagate: true,
+      },
+    ),
+    'ubuntu18' => defaults.merge(
+      {
+        osfamily:                  'Debian',
+        operatingsystemmajrelease: '18',
+        server_user:               nil,
+        service_provider:          nil,
+        enable_db_services:        true,
+        enable_db_netgroup:        false,
+        enable_opt_auto_propagate: true,
+      },
+    ),
+    'ubuntu20' => defaults.merge(
+      {
+        osfamily:                  'Debian',
+        operatingsystemmajrelease: '20',
+        server_user:               nil,
+        service_provider:          nil,
+        enable_db_services:        true,
+        enable_db_netgroup:        false,
+        enable_opt_auto_propagate: true,
+      },
+    ),
+    'ubuntu22' => defaults.merge(
+      {
+        osfamily:                  'Debian',
+        operatingsystemmajrelease: '22',
+        server_user:               nil,
+        service_provider:          nil,
+        enable_db_services:        true,
+        enable_db_netgroup:        false,
+        enable_opt_auto_propagate: true,
+      },
+    ),
     'solaris10' => defaults.merge(
       {
         kernel:                    'SunOS',