diff --git a/lib/notifications/effectiveness-recheck.ts b/lib/notifications/effectiveness-recheck.ts
index 8f07b1c..20faaf0 100644
--- a/lib/notifications/effectiveness-recheck.ts
+++ b/lib/notifications/effectiveness-recheck.ts
@@ -14,7 +14,7 @@ export function getNextRecheckDate(verifiedAt: string, currentRound: number): st
   const days = NEXT_INTERVAL_DAYS[currentRound]
   if (days === null || days === undefined) return null
   const base = new Date(verifiedAt)
-  base.setDate(base.getDate() + days)
+  base.setUTCDate(base.getUTCDate() + days)
   return base.toISOString().split('T')[0]
 }