diff --git a/src/DbConfig.php b/src/DbConfig.php
index fb28469..c2c5d02 100644
--- a/src/DbConfig.php
+++ b/src/DbConfig.php
@@ -1,7 +1,7 @@
 <?php
 // DbConfig.php
 // Created: 2023-10-20
-// Updated: 2023-10-20
+// Updated: 2024-06-03
 
 namespace Syokuhou;
 
diff --git a/tests/DbConfigTest.php b/tests/DbConfigTest.php
index a6338c8..7595fea 100644
--- a/tests/DbConfigTest.php
+++ b/tests/DbConfigTest.php
@@ -1,7 +1,7 @@
 <?php
 // DbConfigTest.php
 // Created: 2023-10-20
-// Updated: 2023-10-20
+// Updated: 2024-06-03
 
 declare(strict_types=1);