diff --git a/src/main/java/com/j9/bestmoments/controller/MyVideoController.java b/src/main/java/com/j9/bestmoments/controller/MyVideoController.java
index b5dc5b4..4ce1bc8 100644
--- a/src/main/java/com/j9/bestmoments/controller/MyVideoController.java
+++ b/src/main/java/com/j9/bestmoments/controller/MyVideoController.java
@@ -67,8 +67,8 @@ public ResponseEntity<VideoFindDto> findById(@PathVariable UUID videoId) {
     }
 
     @Operation(summary = "내 동영상 정보 수정")
-    @PatchMapping("/{videoId}")
-    public ResponseEntity<VideoFindDto> update(@PathVariable UUID videoId, @RequestBody @Valid VideoUpdateDto updateDto) {
+    @PatchMapping(path = "/{videoId}", consumes = MediaType.MULTIPART_FORM_DATA_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+    public ResponseEntity<VideoFindDto> update(@PathVariable UUID videoId, @ModelAttribute @Valid VideoUpdateDto updateDto) {
         UUID memberId = UUID.fromString(SecurityContextHolder.getContext().getAuthentication().getPrincipal().toString());
         Video video = videoService.findByIdAndUploaderId(videoId, memberId);
         videoService.update(video, updateDto);
diff --git a/src/main/java/com/j9/bestmoments/service/VideoService.java b/src/main/java/com/j9/bestmoments/service/VideoService.java
index ca81e94..32eb006 100644
--- a/src/main/java/com/j9/bestmoments/service/VideoService.java
+++ b/src/main/java/com/j9/bestmoments/service/VideoService.java
@@ -79,6 +79,11 @@ public Video findPublicById(UUID id) {
 
     @Transactional
     public Video update(Video video, VideoUpdateDto updateDto) {
+        if (updateDto.thumbnail() != null) {
+            String thumbnailName = FileNameGenerator.generateThumbnailImageFileName(video);
+            String thumbnailUrl = storageService.uploadFile(updateDto.thumbnail(), thumbnailName);
+            video.setThumbnailUrl(thumbnailUrl);
+        }
         video.setTitle(updateDto.title());
         video.setDescription(updateDto.description());
         video.setVideoStatus(updateDto.videoStatus());