diff --git a/backend/src/core/api/draft/draft.controller.js b/backend/src/core/api/draft/draft.controller.js
index 6ef88c9..6489228 100644
--- a/backend/src/core/api/draft/draft.controller.js
+++ b/backend/src/core/api/draft/draft.controller.js
@@ -1,5 +1,5 @@
 import { DraftService } from 'core/modules/draft/services';
-import { CreateDraftDto } from 'core/modules/draft/dto';
+import { CreateDraftDto, UpdateDraftDto } from 'core/modules/draft/dto';
 import { ValidHttpResponse } from 'packages/handler/response/validHttp.response';
 
 class Controller {
@@ -13,6 +13,15 @@ class Controller {
         const data = await this.service.createDraft(userId, dto);
         return ValidHttpResponse.toOkResponse(data);
     };
+
+    updateDraft = async req => {
+        const userId = req.user.payload.id;
+        const draftId = req.params.id;
+        const dto = UpdateDraftDto(req.body);
+        const data = await this.service.updateDraft(userId, draftId, dto);
+        return ValidHttpResponse.toOkResponse(data);
+    };
 }
 
 export const DraftController = new Controller();
+
diff --git a/backend/src/core/api/draft/draft.resolver.js b/backend/src/core/api/draft/draft.resolver.js
index cce013d..638ce67 100644
--- a/backend/src/core/api/draft/draft.resolver.js
+++ b/backend/src/core/api/draft/draft.resolver.js
@@ -1,5 +1,7 @@
 import { Module } from 'packages/handler/Module';
-import { CreateDraftInterceptor } from 'core/modules/draft/interceptor';
+import { CreateDraftInterceptor, UpdateDraftInterceptor } from 'core/modules/draft/interceptor';
+import { RecordIdInterceptor } from 'core/modules/interceptor/recordId/record-id.interceptor';
+import { RecordId } from 'core/common/swagger';
 import { DraftController } from './draft.controller';
 
 export const DraftResolver = Module.builder()
@@ -16,5 +18,16 @@ export const DraftResolver = Module.builder()
             body: 'CreateDraftDto',
             controller: DraftController.createDraft,
             preAuthorization: true
+        },
+        {
+            route: '/:id',
+            method: 'put',
+            params: [RecordId],
+            interceptors: [RecordIdInterceptor, UpdateDraftInterceptor],
+            body: 'UpdateDraftDto',
+            controller: DraftController.updateDraft,
+            preAuthorization: true
         }
     ]);
+
+
diff --git a/backend/src/core/modules/draft/dto/index.js b/backend/src/core/modules/draft/dto/index.js
index da620e9..e81c9ef 100644
--- a/backend/src/core/modules/draft/dto/index.js
+++ b/backend/src/core/modules/draft/dto/index.js
@@ -1 +1,2 @@
 export * from './create-draft.dto';
+export * from './update-draft.dto';
diff --git a/backend/src/core/modules/draft/dto/update-draft.dto.js b/backend/src/core/modules/draft/dto/update-draft.dto.js
new file mode 100644
index 0000000..695f2c3
--- /dev/null
+++ b/backend/src/core/modules/draft/dto/update-draft.dto.js
@@ -0,0 +1,10 @@
+import { ApiDocument } from 'core/config/swagger.config';
+import { SwaggerDocument } from 'packages/swagger';
+
+ApiDocument.addModel('UpdateDraftDto', {
+    content: SwaggerDocument.ApiProperty({ type: 'object', required: false }),
+});
+
+export const UpdateDraftDto = body => ({
+    content: body.content || {},
+});
diff --git a/backend/src/core/modules/draft/interceptor/index.js b/backend/src/core/modules/draft/interceptor/index.js
index 18bcdd9..910bc16 100644
--- a/backend/src/core/modules/draft/interceptor/index.js
+++ b/backend/src/core/modules/draft/interceptor/index.js
@@ -1 +1,2 @@
 export * from './create-draft.interceptor';
+export * from './update-draft.interceptor';
diff --git a/backend/src/core/modules/draft/interceptor/update-draft.interceptor.js b/backend/src/core/modules/draft/interceptor/update-draft.interceptor.js
new file mode 100644
index 0000000..e039b19
--- /dev/null
+++ b/backend/src/core/modules/draft/interceptor/update-draft.interceptor.js
@@ -0,0 +1,8 @@
+import Joi from 'joi';
+import { DefaultValidatorInterceptor } from 'core/infrastructure/interceptor';
+
+export const UpdateDraftInterceptor = new DefaultValidatorInterceptor(
+    Joi.object({
+        content: Joi.object().optional().allow(null),
+    })
+);
diff --git a/backend/src/core/modules/draft/services/draft.service.js b/backend/src/core/modules/draft/services/draft.service.js
index 12efdef..59bb337 100644
--- a/backend/src/core/modules/draft/services/draft.service.js
+++ b/backend/src/core/modules/draft/services/draft.service.js
@@ -27,6 +27,37 @@ class Service {
             throw new InternalServerException(error.message);
         }
     }
+
+    async updateDraft(userId, draftId, payload) {
+        try {
+            const { content } = payload;
+
+            const existing = await prisma.documents.findFirst({
+                where: {
+                    id: draftId,
+                    user_id: userId,
+                    is_draft: true,
+                    deleted_at: null
+                }
+            });
+
+            if (!existing) {
+                throw new NotFoundException(`Draft with ID "${draftId}" not found`);
+            }
+
+            return await prisma.documents.update({
+                where: { id: draftId },
+                data: {
+                    content: content || {},
+                    updated_at: new Date()
+                }
+            });
+        } catch (error) {
+            if (error instanceof NotFoundException) throw error;
+            throw new InternalServerException(error.message);
+        }
+    }
 }
 
+
 export const DraftService = new Service();