diff --git a/bundles/unbound/metadata.py b/bundles/unbound/metadata.py
index f8724c4..b08df0b 100644
--- a/bundles/unbound/metadata.py
+++ b/bundles/unbound/metadata.py
@@ -7,19 +7,24 @@ defaults = {
             'unbound-anchor': {},
         },
     },
-    'cron': {
-        'jobs': {
-            'unbound_refresh_root-hints': '{} {} * * {}    root    wget -q -O/etc/unbound/root-hints.txt https://www.internic.net/domain/named.root'.format(
-                node.magic_number%60,
-                node.magic_number%24,
-                node.magic_number%7,
-            ),
-            'unbound-auto-restart': '* * * * *    root    /usr/local/sbin/unbound-auto-restart',
-        },
-    },
     'nameservers': {
         '127.0.0.1',
     },
+    'systemd-timers': {
+        'timers': {
+            'unbound-refresh-root-hints': {
+                'command': 'wget -q -O/etc/unbound/root-hints.txt https://www.internic.net/domain/named.root',
+                'when': '{}:{}:00'.format(
+                    node.magic_number % 24,
+                    node.magic_number % 60,
+                ),
+            },
+            'unbound-auto-restart': {
+                'command': '/usr/local/sbin/unbound-auto-restart',
+                'when': 'minutely',
+            },
+        },
+    },
     'unbound': {
         'max_ttl': 3600,
         'cache_size': '512M',