diff --git a/app/Models/Producto.php b/app/Models/Producto.php
index ee30aac..8695a73 100644
--- a/app/Models/Producto.php
+++ b/app/Models/Producto.php
@@ -7,6 +7,14 @@
 
 class Producto extends Model
 {
+    /**
+     * La categoría a la que pertenece el producto.
+     */
+    public function categoria(): BelongsTo
+    {
+        return $this->belongsTo(Categoria::class);
+    }
+
     /**
      * Los pedidos que tienen al producto.
      */
diff --git a/database/migrations/2024_03_12_195543_add_categoria_id_to_productos.php b/database/migrations/2024_03_12_195543_add_categoria_id_to_productos.php
new file mode 100644
index 0000000..6b5d249
--- /dev/null
+++ b/database/migrations/2024_03_12_195543_add_categoria_id_to_productos.php
@@ -0,0 +1,28 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('productos', function (Blueprint $table) {
+            $table->unsignedBigInteger('categoria_id')->after('id');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('productos', function (Blueprint $table) {
+            $table->dropColumn('categoria_id');
+        });
+    }
+};