diff --git a/src/controllers/auth.controller.ts b/src/controllers/auth.controller.ts
index e90670a..01fb326 100644
--- a/src/controllers/auth.controller.ts
+++ b/src/controllers/auth.controller.ts
@@ -4,9 +4,9 @@ import { AuthService } from "../services/auth.service.js";
 export class AuthController {
   static async register(req: Request, res: Response, next: NextFunction) {
     try {
-      const { email, password } = req.body;
+      const { email, password, role } = req.body;
 
-      const user = await AuthService.register(email, password);
+      const user = await AuthService.register(email, password, role);
 
       res.status(201).json(user);
     } catch (err) {
diff --git a/src/services/auth.service.ts b/src/services/auth.service.ts
index cd1fe68..730e791 100644
--- a/src/services/auth.service.ts
+++ b/src/services/auth.service.ts
@@ -1,9 +1,10 @@
 import { UserRepository } from "../repositories/user.repo.js";
 import { hashPassword, verifyPassword } from "../utils/password.js";
 import { signToken } from "../utils/jwt.js";
+import type { UserRole } from "../models/user.model.js";
 
 export class AuthService {
-  static async register(email: string, password: string) {
+  static async register(email: string, password: string, role: UserRole = "customer") {
     const existing = await UserRepository.findByEmail(email);
     if (existing) {
       throw { statusCode: 409, message: "Email already registered" };
@@ -14,7 +15,7 @@ export class AuthService {
     const user = await UserRepository.create({
       email,
       passwordHash,
-      role: "customer",
+      role,
     });
 
     return { id: user._id, email: user.email, role: user.role };
diff --git a/src/validation/auth.schema.ts b/src/validation/auth.schema.ts
index 433bdee..3ea8d0c 100644
--- a/src/validation/auth.schema.ts
+++ b/src/validation/auth.schema.ts
@@ -4,6 +4,7 @@ export const registerSchema = z.object({
   body: z.object({
     email: z.string().email(),
     password: z.string().min(8),
+    role: z.enum(["customer", "admin"]).default("customer"),
   }),
 });