diff --git a/src/main/java/clap/server/adapter/inbound/web/task/ManagementTaskController.java b/src/main/java/clap/server/adapter/inbound/web/task/ManagementTaskController.java
index a8caae72..76f42dfd 100644
--- a/src/main/java/clap/server/adapter/inbound/web/task/ManagementTaskController.java
+++ b/src/main/java/clap/server/adapter/inbound/web/task/ManagementTaskController.java
@@ -34,7 +34,7 @@ public class ManagementTaskController {
     @Secured({"ROLE_MANAGER", "ROLE_USER"})
     public ResponseEntity<CreateTaskResponse> createTask(
             @RequestPart(name = "taskInfo") @Valid CreateTaskRequest createTaskRequest,
-            @RequestPart(name = "attachment", required = false) @NotNull  List<MultipartFile> attachments,
+            @RequestPart(name = "attachment", required = false) List<MultipartFile> attachments,
             @AuthenticationPrincipal SecurityUserDetails userInfo
             ){
             return ResponseEntity.ok(createTaskUsecase.createTask(userInfo.getUserId(), createTaskRequest, attachments));
@@ -46,7 +46,7 @@ public ResponseEntity<CreateTaskResponse> createTask(
     public ResponseEntity<UpdateTaskResponse> updateTask(
             @PathVariable @NotNull Long taskId,
             @RequestPart(name = "taskInfo") @Valid UpdateTaskRequest updateTaskRequest,
-            @RequestPart(name = "attachment", required = false) @NotNull  List<MultipartFile> attachments,
+            @RequestPart(name = "attachment", required = false) List<MultipartFile> attachments,
             @AuthenticationPrincipal SecurityUserDetails userInfo){
         return ResponseEntity.ok(updateTaskUsecase.updateTask(userInfo.getUserId(), taskId, updateTaskRequest, attachments));
     }
diff --git a/src/main/java/clap/server/application/service/task/CreateTaskService.java b/src/main/java/clap/server/application/service/task/CreateTaskService.java
index 4f6296d3..7c77a0dd 100644
--- a/src/main/java/clap/server/application/service/task/CreateTaskService.java
+++ b/src/main/java/clap/server/application/service/task/CreateTaskService.java
@@ -55,7 +55,10 @@ public CreateTaskResponse createTask(Long requesterId, CreateTaskRequest createT
         savedTask.setInitialProcessorOrder();
         commandTaskPort.save(savedTask);
 
-        saveAttachments(files, savedTask);
+        if (files != null) {
+            saveAttachments(files, savedTask);
+        }
+
         publishNotification(savedTask);
         return TaskMapper.toCreateTaskResponse(savedTask);
     }
@@ -66,7 +69,7 @@ private void saveAttachments(List<MultipartFile> files, Task task) {
         commandAttachmentPort.saveAll(attachments);
     }
 
-    private void publishNotification(Task task){
+    private void publishNotification(Task task) {
         List<Member> reviewers = memberService.findReviewers();
 
         // 검토자들 각각에 대한 알림 생성 후 event 발행
@@ -90,5 +93,4 @@ private void publishNotification(Task task){
     }
 
 
-
 }
\ No newline at end of file
diff --git a/src/main/java/clap/server/application/service/task/UpdateTaskService.java b/src/main/java/clap/server/application/service/task/UpdateTaskService.java
index 9e770156..e3aceb36 100644
--- a/src/main/java/clap/server/application/service/task/UpdateTaskService.java
+++ b/src/main/java/clap/server/application/service/task/UpdateTaskService.java
@@ -122,9 +122,11 @@ private void updateAttachments(List<Long> attachmentIdsToDelete, List<MultipartF
         List<Attachment> attachmentsToDelete = validateAndGetAttachments(attachmentIdsToDelete, task);
         attachmentsToDelete.forEach(Attachment::softDelete);
 
-        List<String> fileUrls = s3UploadAdapter.uploadFiles(FilePathConstants.TASK_IMAGE, files);
-        List<Attachment> attachments = AttachmentMapper.toTaskAttachments(task, files, fileUrls);
-        commandAttachmentPort.saveAll(attachments);
+        if(files != null) {
+            List<String> fileUrls = s3UploadAdapter.uploadFiles(FilePathConstants.TASK_IMAGE, files);
+            List<Attachment> attachments = AttachmentMapper.toTaskAttachments(task, files, fileUrls);
+            commandAttachmentPort.saveAll(attachments);
+        }
     }
 
     private List<Attachment> validateAndGetAttachments(List<Long> attachmentIdsToDelete, Task task) {