diff --git a/src/main/java/io/sobok/SobokSobok/exception/ErrorCode.java b/src/main/java/io/sobok/SobokSobok/exception/ErrorCode.java
index 771d020..35d2923 100644
--- a/src/main/java/io/sobok/SobokSobok/exception/ErrorCode.java
+++ b/src/main/java/io/sobok/SobokSobok/exception/ErrorCode.java
@@ -54,6 +54,7 @@ public enum ErrorCode {
     //sticker
     UNREGISTERED_STICKER(HttpStatus.NOT_FOUND, "등록되지 않은 스티커입니다."),
     ALREADY_SEND_STICKER(HttpStatus.CONFLICT, "이미 스티커를 전송했습니다."),
+    UNREGISTERED_LIKE_SCHEDULE(HttpStatus.NOT_FOUND, "스티커 전송기록이 존재하지 않습니다."),
     ;
 
     private final HttpStatus code;
diff --git a/src/main/java/io/sobok/SobokSobok/exception/SuccessCode.java b/src/main/java/io/sobok/SobokSobok/exception/SuccessCode.java
index 8c9e81a..df3d0db 100644
--- a/src/main/java/io/sobok/SobokSobok/exception/SuccessCode.java
+++ b/src/main/java/io/sobok/SobokSobok/exception/SuccessCode.java
@@ -45,6 +45,7 @@ public enum SuccessCode {
     //sticker
     GET_STICKER_LIST_SUCCESS(HttpStatus.OK, "스티커 전체 조회에 성공했습니다."),
     SEND_STICKER_SUCCESS(HttpStatus.OK, "스티커 전송에 성공했습니다."),
+    UPDATE_STICKER_SUCCESS(HttpStatus.OK, "보낸 스티커 수정에 성공했습니다."),
     ;
 
     private final HttpStatus code;
diff --git a/src/main/java/io/sobok/SobokSobok/sticker/application/StickerService.java b/src/main/java/io/sobok/SobokSobok/sticker/application/StickerService.java
index 616feac..1c60da5 100644
--- a/src/main/java/io/sobok/SobokSobok/sticker/application/StickerService.java
+++ b/src/main/java/io/sobok/SobokSobok/sticker/application/StickerService.java
@@ -6,6 +6,7 @@
 import io.sobok.SobokSobok.exception.model.BadRequestException;
 import io.sobok.SobokSobok.exception.model.ConflictException;
 import io.sobok.SobokSobok.exception.model.ForbiddenException;
+import io.sobok.SobokSobok.exception.model.NotFoundException;
 import io.sobok.SobokSobok.friend.infrastructure.FriendQueryRepository;
 import io.sobok.SobokSobok.pill.application.PillScheduleServiceUtil;
 import io.sobok.SobokSobok.pill.application.PillServiceUtil;
@@ -16,7 +17,7 @@
 import io.sobok.SobokSobok.sticker.domain.LikeSchedule;
 import io.sobok.SobokSobok.sticker.infrastructure.LikeScheduleRepository;
 import io.sobok.SobokSobok.sticker.infrastructure.StickerRepository;
-import io.sobok.SobokSobok.sticker.ui.dto.SendStickerResponse;
+import io.sobok.SobokSobok.sticker.ui.dto.StickerActionResponse;
 import io.sobok.SobokSobok.sticker.ui.dto.StickerResponse;
 import java.util.List;
 import java.util.stream.Collectors;
@@ -45,7 +46,8 @@ public List<StickerResponse> getStickerList() {
         ).collect(Collectors.toList());
     }
 
-    public SendStickerResponse sendSticker(Long userId, Long scheduleId, Long stickerId) {
+    @Transactional
+    public StickerActionResponse sendSticker(Long userId, Long scheduleId, Long stickerId) {
         UserServiceUtil.existsUserById(userRepository, userId);
         PillSchedule pillSchedule = PillScheduleServiceUtil.findPillScheduleById(
             pillScheduleRepository, scheduleId);
@@ -73,8 +75,31 @@ public SendStickerResponse sendSticker(Long userId, Long scheduleId, Long sticke
                 .build()
         );
 
-        return SendStickerResponse.builder()
-            .id(likeSchedule.getId())
+        return StickerActionResponse.builder()
+            .likeScheduleId(likeSchedule.getId())
+            .scheduleId(likeSchedule.getScheduleId())
+            .senderId(likeSchedule.getSenderId())
+            .stickerId(likeSchedule.getStickerId())
+            .createdAt(likeSchedule.getCreatedAt())
+            .updatedAt(likeSchedule.getUpdatedAt())
+            .build();
+    }
+
+    @Transactional
+    public StickerActionResponse updateSendSticker(Long userId, Long likeScheduleId, Long stickerId) {
+        UserServiceUtil.existsUserById(userRepository, userId);
+        LikeSchedule likeSchedule = likeScheduleRepository.findById(likeScheduleId)
+            .orElseThrow(() -> new NotFoundException(ErrorCode.UNREGISTERED_LIKE_SCHEDULE));
+        StickerServiceUtil.existsStickerById(stickerRepository, stickerId);
+
+        if(!likeSchedule.isLikeScheduleSender(userId)) {
+            throw new ForbiddenException(ErrorCode.FORBIDDEN_EXCEPTION);
+        }
+
+        likeSchedule.changeSticker(stickerId);
+
+        return StickerActionResponse.builder()
+            .likeScheduleId(likeSchedule.getId())
             .scheduleId(likeSchedule.getScheduleId())
             .senderId(likeSchedule.getSenderId())
             .stickerId(likeSchedule.getStickerId())
diff --git a/src/main/java/io/sobok/SobokSobok/sticker/domain/LikeSchedule.java b/src/main/java/io/sobok/SobokSobok/sticker/domain/LikeSchedule.java
index eb859d2..ea6eb93 100644
--- a/src/main/java/io/sobok/SobokSobok/sticker/domain/LikeSchedule.java
+++ b/src/main/java/io/sobok/SobokSobok/sticker/domain/LikeSchedule.java
@@ -6,6 +6,7 @@
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.GenerationType;
 import jakarta.persistence.Id;
+import java.util.Objects;
 import lombok.AccessLevel;
 import lombok.Builder;
 import lombok.Getter;
@@ -37,4 +38,12 @@ public LikeSchedule(Long scheduleId, Long senderId, Long stickerId) {
         this.senderId = senderId;
         this.stickerId = stickerId;
     }
+
+    public void changeSticker(Long stickerId) {
+        this.stickerId = stickerId;
+    }
+
+    public Boolean isLikeScheduleSender(Long userId) {
+        return Objects.equals(senderId, userId);
+    }
 }
diff --git a/src/main/java/io/sobok/SobokSobok/sticker/ui/StickerController.java b/src/main/java/io/sobok/SobokSobok/sticker/ui/StickerController.java
index 589af02..f04cd66 100644
--- a/src/main/java/io/sobok/SobokSobok/sticker/ui/StickerController.java
+++ b/src/main/java/io/sobok/SobokSobok/sticker/ui/StickerController.java
@@ -4,7 +4,7 @@
 import io.sobok.SobokSobok.common.dto.ApiResponse;
 import io.sobok.SobokSobok.exception.SuccessCode;
 import io.sobok.SobokSobok.sticker.application.StickerService;
-import io.sobok.SobokSobok.sticker.ui.dto.SendStickerResponse;
+import io.sobok.SobokSobok.sticker.ui.dto.StickerActionResponse;
 import io.sobok.SobokSobok.sticker.ui.dto.StickerResponse;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
@@ -16,6 +16,7 @@
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.PutMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
@@ -47,7 +48,7 @@ public ResponseEntity<ApiResponse<List<StickerResponse>>> getStickerList() {
         summary = "스티커 전송 API 메서드",
         description = "스티커를 전송하는 메서드입니다."
     )
-    public ResponseEntity<ApiResponse<SendStickerResponse>> sendSticker(
+    public ResponseEntity<ApiResponse<StickerActionResponse>> sendSticker(
         @AuthenticationPrincipal User user,
         @PathVariable Long scheduleId,
         @RequestParam Long stickerId
@@ -59,4 +60,22 @@ public ResponseEntity<ApiResponse<SendStickerResponse>> sendSticker(
                 stickerService.sendSticker(user.getId(), scheduleId, stickerId)
             ));
     }
+
+    @PutMapping("/my/{likeScheduleId}")
+    @Operation(
+        summary = "보낸 스티커 수정 API 메서드",
+        description = "보낸 스티커를 수정하는 메서드입니다."
+    )
+    public ResponseEntity<ApiResponse<StickerActionResponse>> updateSendSticker(
+        @AuthenticationPrincipal User user,
+        @PathVariable Long likeScheduleId,
+        @RequestParam Long stickerId
+    ) {
+        return ResponseEntity
+            .status(HttpStatus.OK)
+            .body(ApiResponse.success(
+                SuccessCode.UPDATE_STICKER_SUCCESS,
+                stickerService.updateSendSticker(user.getId(), likeScheduleId, stickerId)
+            ));
+    }
 }
diff --git a/src/main/java/io/sobok/SobokSobok/sticker/ui/dto/SendStickerResponse.java b/src/main/java/io/sobok/SobokSobok/sticker/ui/dto/StickerActionResponse.java
similarity index 79%
rename from src/main/java/io/sobok/SobokSobok/sticker/ui/dto/SendStickerResponse.java
rename to src/main/java/io/sobok/SobokSobok/sticker/ui/dto/StickerActionResponse.java
index df24f30..9dd3b88 100644
--- a/src/main/java/io/sobok/SobokSobok/sticker/ui/dto/SendStickerResponse.java
+++ b/src/main/java/io/sobok/SobokSobok/sticker/ui/dto/StickerActionResponse.java
@@ -4,8 +4,8 @@
 import lombok.Builder;
 
 @Builder
-public record SendStickerResponse(
-    Long id,
+public record StickerActionResponse(
+    Long likeScheduleId,
     Long scheduleId,
     Long senderId,
     Long stickerId,