diff --git a/Controllers/LinesController.cs b/Controllers/LinesController.cs
index ed8ce63..d9269d1 100644
--- a/Controllers/LinesController.cs
+++ b/Controllers/LinesController.cs
@@ -3,6 +3,7 @@ using line_gestao_api.Data;
 using line_gestao_api.Dtos;
 using line_gestao_api.Models;
 using line_gestao_api.Services;
+using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
@@ -503,6 +504,7 @@ namespace line_gestao_api.Controllers
         // ✅ 8. IMPORT EXCEL
         // ==========================================================
         [HttpPost("import-excel")]
+        [Authorize]
         [Consumes("multipart/form-data")]
         [RequestSizeLimit(50_000_000)]
         public async Task<ActionResult<ImportResultDto>> ImportExcel([FromForm] ImportExcelForm form)