diff --git a/db/migrations/V025__AddNineBlogPostsProper.sql b/db/migrations/V025__AddNineBlogPostsProper.sql
index e6df0e2..3064769 100644
--- a/db/migrations/V025__AddNineBlogPostsProper.sql
+++ b/db/migrations/V025__AddNineBlogPostsProper.sql
@@ -2,6 +2,10 @@
 -- Each post: 1,500-2,500 words, law citations, 3-step structure
 -- 2025 tax year basis, accuracy principle
 
+INSERT INTO categories (name, slug, sort_order)
+VALUES ('사업자 세무', 'business-tax', 1)
+ON CONFLICT (slug) DO NOTHING;
+
 -- 1. 프리랜서가 놓친 경비 5가지
 INSERT INTO blog_posts (title, slug, content, category_id, is_published, seo_title, seo_description, tags, created_at, updated_at)
 VALUES (