diff --git a/database/migrations/2025_02_14_084000_add_coa_id_to_kas_masuks_table.php b/database/migrations/2025_02_14_084000_add_coa_id_to_kas_masuks_table.php
new file mode 100644
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+++ b/database/migrations/2025_02_14_084000_add_coa_id_to_kas_masuks_table.php
@@ -0,0 +1,23 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration {
+    public function up()
+    {
+        Schema::table('kas_masuks', function (Blueprint $table) {
+            $table->unsignedBigInteger('coa_id')->nullable()->after('user_id'); // Tambahkan kolom COA
+            $table->foreign('coa_id')->references('id')->on('coas')->onDelete('set null'); // Relasi ke tabel COA
+        });
+    }
+
+    public function down()
+    {
+        Schema::table('kas_masuks', function (Blueprint $table) {
+            $table->dropForeign(['coa_id']);
+            $table->dropColumn('coa_id');
+        });
+    }
+};