diff --git a/Admin/Activate.php b/Admin/Activate.php
index dc45f72..7144baa 100644
--- a/Admin/Activate.php
+++ b/Admin/Activate.php
@@ -16,7 +16,7 @@
 namespace Modules\Billing\Admin;
 
 
-use phpOMS\DataStorage\Database\Pool;
+use phpOMS\DataStorage\Database\DatabasePool;
 use phpOMS\Module\ActivateAbstract;
 use phpOMS\Module\InfoManager;
 
@@ -37,7 +37,7 @@ class Activate extends ActivateAbstract
     /**
      * {@inheritdoc}
      */
-    public static function activate(Pool $dbPool, InfoManager $info)
+    public static function activate(DatabasePool $dbPool, InfoManager $info)
     {
         parent::activate($dbPool, $info);
     }
diff --git a/Admin/Deactivate.php b/Admin/Deactivate.php
index 3828a6a..7f35537 100644
--- a/Admin/Deactivate.php
+++ b/Admin/Deactivate.php
@@ -16,7 +16,7 @@
 namespace Modules\Billing\Admin;
 
 
-use phpOMS\DataStorage\Database\Pool;
+use phpOMS\DataStorage\Database\DatabasePool;
 use phpOMS\Module\DeactivateAbstract;
 use phpOMS\Module\InfoManager;
 
@@ -37,7 +37,7 @@ class Deactivate extends DeactivateAbstract
     /**
      * {@inheritdoc}
      */
-    public static function deactivate(Pool $dbPool, InfoManager $info)
+    public static function deactivate(DatabasePool $dbPool, InfoManager $info)
     {
         parent::deactivate($dbPool, $info);
     }
diff --git a/Admin/Install/ItemReference.php b/Admin/Install/ItemReference.php
index 5bcda3b..6a4956e 100644
--- a/Admin/Install/ItemReference.php
+++ b/Admin/Install/ItemReference.php
@@ -16,7 +16,7 @@
 namespace Modules\Billing\Admin\Install;
 
 use phpOMS\DataStorage\Database\DatabaseType;
-use phpOMS\DataStorage\Database\Pool;
+use phpOMS\DataStorage\Database\DatabasePool;
 
 /**
  * Media addition class.
@@ -35,7 +35,7 @@ class ItemReference
     /**
      * {@inheritdoc}
      */
-    public static function install(string $path, Pool $dbPool, InfoManager $info)
+    public static function install(string $path, DatabasePool $dbPool, InfoManager $info)
     {
 
         switch ($dbPool->get('core')->getType()) {
diff --git a/Admin/Install/Navigation.php b/Admin/Install/Navigation.php
index b9962c3..d2673ab 100644
--- a/Admin/Install/Navigation.php
+++ b/Admin/Install/Navigation.php
@@ -14,7 +14,7 @@
  * @link       http://orange-management.com
  */
 namespace Modules\Billing\Admin\Install;
-use phpOMS\DataStorage\Database\Pool;
+use phpOMS\DataStorage\Database\DatabasePool;
 
 /**
  * Navigation class.
@@ -29,7 +29,7 @@ use phpOMS\DataStorage\Database\Pool;
  */
 class Navigation
 {
-    public static function install(string $path, Pool $dbPool)
+    public static function install(string $path, DatabasePool $dbPool)
     {
         $navData = json_decode(file_get_contents(__DIR__ . '/Navigation.install.json'), true);
 
diff --git a/Admin/Installer.php b/Admin/Installer.php
index f50adef..246e649 100644
--- a/Admin/Installer.php
+++ b/Admin/Installer.php
@@ -16,7 +16,7 @@
 namespace Modules\Billing\Admin;
 
 use phpOMS\DataStorage\Database\DatabaseType;
-use phpOMS\DataStorage\Database\Pool;
+use phpOMS\DataStorage\Database\DatabasePool;
 use phpOMS\Module\InfoManager;
 use phpOMS\Module\InstallerAbstract;
 
@@ -37,7 +37,7 @@ class Installer extends InstallerAbstract
     /**
      * {@inheritdoc}
      */
-    public static function install(string $path, Pool $dbPool, InfoManager $info)
+    public static function install(string $path, DatabasePool $dbPool, InfoManager $info)
     {
         parent::install($path, $dbPool, $info);
 
diff --git a/Admin/Uninstall.php b/Admin/Uninstall.php
index 4e84597..a6ffc1c 100644
--- a/Admin/Uninstall.php
+++ b/Admin/Uninstall.php
@@ -16,7 +16,7 @@
 namespace Modules\Billing\Admin;
 
 
-use phpOMS\DataStorage\Database\Pool;
+use phpOMS\DataStorage\Database\DatabasePool;
 use phpOMS\DataStorage\Database\Schema\Builder;
 use phpOMS\Module\UninstallAbstract;
 
@@ -37,7 +37,7 @@ class Uninstall extends UninstallAbstract
     /**
      * {@inheritdoc}
      */
-    public static function uninstall(Pool $dbPool, InfoManager $info)
+    public static function uninstall(DatabasePool $dbPool, InfoManager $info)
     {
         parent::uninstall($dbPool, $info);
 
diff --git a/Admin/Update.php b/Admin/Update.php
index 061bcdf..cb12fa5 100644
--- a/Admin/Update.php
+++ b/Admin/Update.php
@@ -16,7 +16,7 @@
 namespace Modules\Billing\Admin;
 
 
-use phpOMS\DataStorage\Database\Pool;
+use phpOMS\DataStorage\Database\DatabasePool;
 use phpOMS\Module\UpdateAbstract;
 use phpOMS\System\File\Directory;
 
@@ -37,7 +37,7 @@ class Update extends UpdateAbstract
     /**
      * {@inheritdoc}
      */
-    public static function update(Pool $dbPool, array $info)
+    public static function update(DatabasePool $dbPool, array $info)
     {
         Directory::deletePath(__DIR__ . '/Update');
         mkdir('Update');