diff --git a/modules/Mailgateway/MailgatewayServiceProvider.php b/modules/Mailgateway/MailgatewayServiceProvider.php
index 28d21e5b..a420ae5d 100644
--- a/modules/Mailgateway/MailgatewayServiceProvider.php
+++ b/modules/Mailgateway/MailgatewayServiceProvider.php
@@ -39,6 +39,8 @@ class MailgatewayServiceProvider extends ServiceProvider
             MailmanType::class,
         ]));
 
+        $this->loadMigrationsFrom(__DIR__ . '/database/migrations');
+
         View::addNamespace('mailgateway', __DIR__ . '/Components');
     }
 }
diff --git a/modules/Mailgateway/database/migrations/2024_12_23_004559_update_mailgateways.php b/modules/Mailgateway/database/migrations/2024_12_23_004559_update_mailgateways.php
new file mode 100644
index 00000000..e66cca90
--- /dev/null
+++ b/modules/Mailgateway/database/migrations/2024_12_23_004559_update_mailgateways.php
@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+use Modules\Mailgateway\Types\MailmanType;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        foreach (DB::table('mailgateways')->get() as $gateway) {
+            $type = json_decode($gateway->type);
+
+            $newType = ['type' => $type->cls, 'data' => $type->params];
+            if (str_contains($type->cls, 'MailmanType')) {
+                $newType['type'] = MailmanType::class;
+            }
+            DB::table('mailgateways')->where('id', $gateway->id)->update(['type' => json_encode($newType)]);
+        }
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+    }
+};