diff --git a/src/app/(sidebar)/(my-info)/components/InfoCardItem.tsx b/src/app/(sidebar)/(my-info)/components/InfoCardItem.tsx
index a27b2aa2..d5a2c70b 100644
--- a/src/app/(sidebar)/(my-info)/components/InfoCardItem.tsx
+++ b/src/app/(sidebar)/(my-info)/components/InfoCardItem.tsx
@@ -17,7 +17,7 @@ const TAG_TYPE_COLOR = {
 } as const;
 
 export function InfoCardItem({ title, updatedDate, cardTagList }: Props) {
-  const formattedDate = formatToYYMMDD(updatedDate);
+  const formattedDate = formatToYYMMDD(updatedDate, '.');
 
   return (
     <div className="flex flex-col justify-between min-w-[343px] h-[140px] p-[24px] rounded-[16px] bg-white border border-neutral-5 cursor-pointer hover:border-neutral-30">
diff --git a/src/utils/date.ts b/src/utils/date.ts
index 7d2700b9..6702d31c 100644
--- a/src/utils/date.ts
+++ b/src/utils/date.ts
@@ -1,9 +1,9 @@
-export const formatToYYMMDD = (dateString: string) => {
+export const formatToYYMMDD = (dateString: string, separator: string = '') => {
   const date = new Date(dateString);
 
   const yy = String(date.getFullYear()).slice(-2);
   const mm = String(date.getMonth() + 1).padStart(2, '0');
   const dd = String(date.getDate()).padStart(2, '0');
 
-  return `${yy}.${mm}.${dd}`;
+  return [yy, mm, dd].join(separator);
 };