diff --git a/TaxBaik.Application/Seasonal/TaxSeasonCalendar.cs b/TaxBaik.Application/Seasonal/TaxSeasonCalendar.cs
index 5c7a917..daf4d42 100644
--- a/TaxBaik.Application/Seasonal/TaxSeasonCalendar.cs
+++ b/TaxBaik.Application/Seasonal/TaxSeasonCalendar.cs
@@ -66,7 +66,7 @@ public static class TaxSeasonCalendar
             Name = "부가가치세 1기 확정신고",
             StartMonth = 7, StartDay = 1,
             EndMonth = 7, EndDay = 25,
-            HeroHeadline = "부가가치세 1기\n7월 25일 마감",
+            HeroHeadline = "부가가치세 1기\n7월 27일 마감",
             HeroSubtext = "일반과세 사업자 1기 확정신고 · 매입세액 공제 점검",
             UrgencyBadge = "D-{n}일 | 부가세 마감",
             FocusService = "business-tax",