diff --git a/src/TaxBaik.Application/DTOs/Validators.cs b/src/TaxBaik.Application/DTOs/Validators.cs
index 64345c5..a8630ae 100644
--- a/src/TaxBaik.Application/DTOs/Validators.cs
+++ b/src/TaxBaik.Application/DTOs/Validators.cs
@@ -10,8 +10,12 @@ public sealed class CreateBlogPostDtoValidator : AbstractValidator<CreateBlogPos
         RuleFor(x => x.Content).NotEmpty().MinimumLength(ValidationRules.MessageMinLength).MaximumLength(ValidationRules.ContentMaxLength);
         RuleFor(x => x.CategoryId).GreaterThan(0);
         RuleFor(x => x.Tags).MaximumLength(ValidationRules.TagsMaxLength);
-        RuleFor(x => x.SeoTitle).MaximumLength(ValidationRules.SeoTitleMaxLength);
-        RuleFor(x => x.SeoDescription).MaximumLength(ValidationRules.SeoDescriptionMaxLength);
+        RuleFor(x => x.SeoTitle)
+            .NotEmpty().When(x => x.IsPublished)
+            .MaximumLength(ValidationRules.SeoTitleMaxLength);
+        RuleFor(x => x.SeoDescription)
+            .NotEmpty().When(x => x.IsPublished)
+            .MaximumLength(ValidationRules.SeoDescriptionMaxLength);
     }
 }