# PUT /admin/api/2021-01/themes/{theme_id}.json

**Resource:** [online-store/theme](../resources/online-store-theme.md)
**Updates an existing theme.**
**Operation ID:** `deprecated_202101_update_themes_param_theme_id`

https://shopify.dev/docs/admin-api/rest/reference/online-store/theme#update-2021-01

## Parameters

| Name | In | Type | Required | Description |
|------|------|------|----------|-------------|
| `theme_id` | path | string | Yes | theme_id |

## Request Body

**Content Types:** `application/json`

## Responses

| Status | Description |
|--------|-------------|
| 200 |  |

