diff --git a/src/Meezi.Admin.API/Validators/AuthValidators.cs b/src/Meezi.Admin.API/Validators/AuthValidators.cs
index c4cbed7..08f6356 100644
--- a/src/Meezi.Admin.API/Validators/AuthValidators.cs
+++ b/src/Meezi.Admin.API/Validators/AuthValidators.cs
@@ -8,7 +8,9 @@ public class SendOtpRequestValidator : AbstractValidator<SendOtpRequest>
 {
     public SendOtpRequestValidator()
     {
-        RuleFor(x => x.Phone).Must(PhoneNormalizer.IsValidIranMobile).WithMessage("Invalid phone number.");
+        RuleFor(x => x.Phone)
+            .Must(p => PhoneNormalizer.IsValidIranMobile(PhoneNormalizer.Normalize(p)))
+            .WithMessage("Invalid phone number.");
     }
 }
 
@@ -16,7 +18,9 @@ public class VerifyOtpRequestValidator : AbstractValidator<VerifyOtpRequest>
 {
     public VerifyOtpRequestValidator()
     {
-        RuleFor(x => x.Phone).Must(PhoneNormalizer.IsValidIranMobile);
+        RuleFor(x => x.Phone)
+            .Must(p => PhoneNormalizer.IsValidIranMobile(PhoneNormalizer.Normalize(p)))
+            .WithMessage("Invalid phone number.");
         RuleFor(x => x.Code)
             .Must(OtpNormalizer.IsValidSixDigitCode)
             .WithMessage("OTP must be 6 digits.");