diff --git a/ci4/app/Database/Migrations/2025-07-15-090000_CreateTiposPapelGenerico.php b/ci4/app/Database/Migrations/2025-07-15-090000_CreateTiposPapelGenerico copy.php
similarity index 100%
rename from ci4/app/Database/Migrations/2025-07-15-090000_CreateTiposPapelGenerico.php
rename to ci4/app/Database/Migrations/2025-07-15-090000_CreateTiposPapelGenerico copy.php
diff --git a/ci4/app/Database/Migrations/2025-07-25-100000_AddIsknToPresupuestos.php b/ci4/app/Database/Migrations/2025-07-25-100000_AddIsknToPresupuestos.php
new file mode 100644
index 00000000..3759ff6f
--- /dev/null
+++ b/ci4/app/Database/Migrations/2025-07-25-100000_AddIsknToPresupuestos.php
@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Database\Migrations;
+
+use CodeIgniter\Database\Migration;
+
+class AddIsknToPresupuestos extends Migration
+{
+    public function up()
+    {
+        $this->forge->addColumn('presupuestos', [
+            'iskn' => [
+                'type'       => 'VARCHAR',
+                'constraint' => 64,
+                'null'       => true,
+                'default'    => null,
+                'after'      => 'coleccion', // o cualquier campo existente tras el cual quieras insertarlo
+                'collation'  => 'utf8_unicode_ci',
+            ],
+        ]);
+    }
+
+    public function down()
+    {
+        $this->forge->dropColumn('presupuestos', 'iskn');
+    }
+}