diff --git a/src/calculation_time_constrains/service.py b/src/calculation_time_constrains/service.py
index 007f0e5..e8cf338 100644
--- a/src/calculation_time_constrains/service.py
+++ b/src/calculation_time_constrains/service.py
@@ -423,7 +423,7 @@ async def create_calculation_result_service(
     db_session: DbSession, calculation: CalculationData, token: str
 ) -> CalculationTimeConstrainsRead:
     start_date = datetime.datetime(2025, 1, 1)
-    end_date = datetime.datetime(2026, 12, 31)
+    end_date = datetime.datetime(2027, 12, 31)
 
 
     months_num = get_months_between(start_date, end_date)