diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index 4b9a405..f7c4c70 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -30,7 +30,7 @@
         'db_name' => 'arc2_test',
         'db_user' => 'root',
         'db_pwd' => 'Pass123',
-        'db_host' => 'db',
+        'db_host' => '127.0.0.1',
         'db_port' => $_SERVER['DB_PORT'] ?? 3306,
     ];