diff --git a/application/forms/SyncRuleForm.php b/application/forms/SyncRuleForm.php
index 145bb2bd..b4a1cbf0 100644
--- a/application/forms/SyncRuleForm.php
+++ b/application/forms/SyncRuleForm.php
@@ -8,20 +8,23 @@ class SyncRuleForm extends DirectorObjectForm
 {
     public function setup()
     {
-        $availableTypes = array(
-            'host'             => $this->translate('Host'),
-            'hostgroup'        => $this->translate('Host Group'),
-            'service'          => $this->translate('Service'),
-            'servicegroup'     => $this->translate('Service Group'),
-            'serviceSet'       => $this->translate('Service Set'),
-            'user'             => $this->translate('User'),
-            'usergroup'        => $this->translate('User Group'),
-            'datalistEntry'    => $this->translate('Data List Entry'),
-            'command'          => $this->translate('Command'),
-            'timePeriod'       => $this->translate('Time Period'),
-            'endpoint'         => $this->translate('Endpoint'),
-            'zone'             => $this->translate('Zone'),
-        );
+        $availableTypes = [
+            'host'              => $this->translate('Host'),
+            'hostgroup'         => $this->translate('Host Group'),
+            'service'           => $this->translate('Service'),
+            'servicegroup'      => $this->translate('Service Group'),
+            'serviceSet'        => $this->translate('Service Set'),
+            'user'              => $this->translate('User'),
+            'usergroup'         => $this->translate('User Group'),
+            'datalistEntry'     => $this->translate('Data List Entry'),
+            'command'           => $this->translate('Command'),
+            'timePeriod'        => $this->translate('Time Period'),
+            'notification'      => $this->translate('Notification'),
+            'scheduledDowntime' => $this->translate('Scheduled Downtime'),
+            'dependency'        => $this->translate('Dependency'),
+            'endpoint'          => $this->translate('Endpoint'),
+            'zone'              => $this->translate('Zone'),
+        ];
 
         $this->addElement('text', 'rule_name', array(
             'label'       => $this->translate('Rule name'),
diff --git a/schema/mysql-migrations/upgrade_166.sql b/schema/mysql-migrations/upgrade_166.sql
new file mode 100644
index 00000000..92b56f32
--- /dev/null
+++ b/schema/mysql-migrations/upgrade_166.sql
@@ -0,0 +1,21 @@
+ALTER TABLE sync_rule MODIFY object_type enum(
+  'host',
+  'service',
+  'command',
+  'user',
+  'hostgroup',
+  'servicegroup',
+  'usergroup',
+  'datalistEntry',
+  'endpoint',
+  'zone',
+  'timePeriod',
+  'serviceSet',
+  'scheduledDowntime',
+  'notification',
+  'dependency'
+) NOT NULL;
+
+INSERT INTO director_schema_migration
+  (schema_version, migration_time)
+  VALUES (166, NOW());
diff --git a/schema/mysql.sql b/schema/mysql.sql
index f9133735..b197eabd 100644
--- a/schema/mysql.sql
+++ b/schema/mysql.sql
@@ -1484,7 +1484,10 @@ CREATE TABLE sync_rule (
     'endpoint',
     'zone',
     'timePeriod',
-    'serviceSet'
+    'serviceSet',
+    'scheduledDowntime',
+    'notification',
+    'dependency'
   ) NOT NULL,
   update_policy ENUM('merge', 'override', 'ignore') NOT NULL,
   purge_existing ENUM('y', 'n') NOT NULL DEFAULT 'n',
diff --git a/schema/pgsql-migrations/upgrade_166.sql b/schema/pgsql-migrations/upgrade_166.sql
new file mode 100644
index 00000000..8d2edafb
--- /dev/null
+++ b/schema/pgsql-migrations/upgrade_166.sql
@@ -0,0 +1,7 @@
+ALTER TYPE enum_sync_rule_object_type ADD VALUE 'scheduledDowntime';
+ALTER TYPE enum_sync_rule_object_type ADD VALUE 'notification';
+ALTER TYPE enum_sync_rule_object_type ADD VALUE 'dependency';
+
+INSERT INTO director_schema_migration
+  (schema_version, migration_time)
+  VALUES (166, NOW());
diff --git a/schema/pgsql.sql b/schema/pgsql.sql
index 8ea6ecac..2aa9512d 100644
--- a/schema/pgsql.sql
+++ b/schema/pgsql.sql
@@ -31,7 +31,10 @@ CREATE TYPE enum_sync_rule_object_type AS ENUM(
   'endpoint',
   'zone',
   'timePeriod',
-  'serviceSet'
+  'serviceSet',
+  'scheduledDowntime',
+  'notification',
+  'dependency'
 );
 CREATE TYPE enum_sync_rule_update_policy AS ENUM('merge', 'override', 'ignore');
 CREATE TYPE enum_sync_property_merge_policy AS ENUM('override', 'merge');