diff --git a/src/database/migrations/Migration20251203114705.ts b/src/database/migrations/Migration20251203114705.ts
index 2862657..ac06162 100644
--- a/src/database/migrations/Migration20251203114705.ts
+++ b/src/database/migrations/Migration20251203114705.ts
@@ -4,18 +4,18 @@ export class Migration20251203114705 extends Migration {
 	override async up(): Promise<void> {
 		const knex = this.getKnex();
 
-		await knex.schema.alterTable("package", (table) => {
+		await knex.schema.alterTable("package_detail", (table) => {
 			table.decimal("quad_discount", 10, 2).notNullable().defaultTo(0);
 			table.decimal("triple_discount", 10, 2).notNullable().defaultTo(0);
 			table.decimal("double_discount", 10, 2).notNullable().defaultTo(0);
-			table.decimal("infant_discount", 10, 2).notNullable().defaultTo(0);
+			table.decimal("infant_discount", 10, 2).nullable();
 		});
 	}
 
 	override async down(): Promise<void> {
 		const knex = this.getKnex();
 
-		await knex.schema.alterTable("package", (table) => {
+		await knex.schema.alterTable("package_detail", (table) => {
 			table.dropColumn("quad_discount");
 			table.dropColumn("triple_discount");
 			table.dropColumn("double_discount");
diff --git a/src/database/migrations/Migration20251210043520.ts b/src/database/migrations/Migration20251210043520.ts
new file mode 100644
index 0000000..4daafe9
--- /dev/null
+++ b/src/database/migrations/Migration20251210043520.ts
@@ -0,0 +1,47 @@
+import { Migration } from "@mikro-orm/migrations";
+
+export class Migration20251210043520 extends Migration {
+	override async up(): Promise<void> {
+		const knex = this.getKnex();
+
+		knex.schema.alterTable("package_detail", (table) => {
+			table.dropColumn("transportation_id");
+		});
+
+		knex.schema.alterTable("package_detail", (table) => {
+			// Columns
+			table.string("transportation_id", 30).notNullable();
+			// Constraints
+			table
+				.foreign(
+					"transportation_id",
+					"package_detail_transportation_id_foreign",
+				)
+				.references("transportation_class.id")
+				.onUpdate("NO ACTION")
+				.onDelete("CASCADE");
+		});
+	}
+
+	override async down(): Promise<void> {
+		const knex = this.getKnex();
+
+		knex.schema.alterTable("package_detail", (table) => {
+			table.dropColumn("transportation_id");
+		});
+
+		knex.schema.alterTable("package_detail", (table) => {
+			// Columns
+			table.string("transportation_id", 30).notNullable();
+			// Constraints
+			table
+				.foreign(
+					"transportation_id",
+					"package_detail_transportation_id_foreign",
+				)
+				.references("transportation.id")
+				.onUpdate("NO ACTION")
+				.onDelete("CASCADE");
+		});
+	}
+}