diff --git a/src/main/java/com/whyranoid/walkie/dto/WalkingDto.java b/src/main/java/com/whyranoid/walkie/dto/WalkingDto.java
index e41b635..1a81ff8 100644
--- a/src/main/java/com/whyranoid/walkie/dto/WalkingDto.java
+++ b/src/main/java/com/whyranoid/walkie/dto/WalkingDto.java
@@ -6,8 +6,6 @@
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 
-import java.util.Date;
-
 @Getter
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
 public class WalkingDto {
@@ -16,7 +14,7 @@ public class WalkingDto {
     private Long walkieId;
 
     @Schema(description = "요청 필수 파라미터 - 운동 시작 시간", requiredMode = Schema.RequiredMode.REQUIRED, example = "2023-07-31T15:08:31.689Z")
-    private Date startTime;
+    private String startTime;
 
     @Schema(description = "응답 파라미터 - 생성된 기록의 아이디", example = "15")
     private Long historyId;
@@ -28,7 +26,7 @@ public class WalkingDto {
 //    private String authId;
 
     @Builder
-    public WalkingDto(Long walkieId, Date startTime, Long historyId, Character newStatus, String authId, Long likerId) {
+    public WalkingDto(Long walkieId, String startTime, Long historyId, Character newStatus, String authId, Long likerId) {
         this.walkieId = walkieId;
         this.startTime = startTime;
         this.historyId = historyId;