diff --git a/docs/faq.md b/docs/faq.md
index 9911ca54..7a49f846 100644
--- a/docs/faq.md
+++ b/docs/faq.md
@@ -22,3 +22,25 @@ Please check the following list.
 ![Add a user](./images/faq/add_user.png)
 2. Add the user to the project in the member page(`/projects/{project_id}/members`).
 3. **Logout from Django Admin site.** [You'll face login error without logout of Django Admin site](https://github.com/doccano/doccano/issues/723).
+
+## I want to update to the latest doccano image
+
+1. Execute `git pull` to reflect the latest doccano.
+2. Delete the volume that `doccano_www` and `doccano_static_volume`.  
+  **Do not delete `doccano_postgres_data` because it stores your projects data.**
+3. Rebuild the doccano image.
+
+The following commands are the procedure for 2~3.
+
+```
+❯ docker volume ls
+DRIVER              VOLUME NAME
+local               doccano_node_modules
+local               doccano_postgres_data
+local               doccano_static_volume
+local               doccano_venv
+local               doccano_www
+❯ docker volume rm doccano_www
+❯ docker volume rm doccano_static_volume
+❯ docker-compose -f docker-compose.prod.yml build --no-cache
+```