diff --git a/php/database/update_020700.php b/php/database/update_020700.php
index 292d9e6..757276b 100644
--- a/php/database/update_020700.php
+++ b/php/database/update_020700.php
@@ -4,6 +4,10 @@
  * Update to version 2.7.0
  */
 
+namespace Lychee\Database;
+
+use Lychee\Modules\Database;
+
 if (!defined('LYCHEE')) exit('Error: Direct access is not allowed!');
 
 // Add medium to photos
diff --git a/php/database/update_030000.php b/php/database/update_030000.php
index c5a5f2a..b3a58d8 100644
--- a/php/database/update_030000.php
+++ b/php/database/update_030000.php
@@ -4,6 +4,10 @@
  * Update to version 3.0.0
  */
 
+namespace Lychee\Database;
+
+use Lychee\Modules\Database;
+
 if (!defined('LYCHEE')) exit('Error: Direct access is not allowed!');
 
 // Remove login
diff --git a/php/database/update_030001.php b/php/database/update_030001.php
index 2e3309c..5555e7d 100644
--- a/php/database/update_030001.php
+++ b/php/database/update_030001.php
@@ -4,6 +4,10 @@
  * Update to version 3.0.1
  */
 
+namespace Lychee\Database;
+
+use Lychee\Modules\Database;
+
 if (!defined('LYCHEE')) exit('Error: Direct access is not allowed!');
 
 // Change length of photo title
diff --git a/php/database/update_030003.php b/php/database/update_030003.php
index 16b22b1..ae73e44 100644
--- a/php/database/update_030003.php
+++ b/php/database/update_030003.php
@@ -4,6 +4,10 @@
  * Update to version 3.0.3
  */
 
+namespace Lychee\Database;
+
+use Lychee\Modules\Database;
+
 if (!defined('LYCHEE')) exit('Error: Direct access is not allowed!');
 
 // Add skipDuplicates to settings