# Migration guide

| From | To   | Document                                             |
| ---- | ---- | ---------------------------------------------------- |
| v4.x | v5.x | [docs/migration-v4-v5.md](./docs/migration-v4-v5.md) |
| v1.x | v4.x | [docs/migration-v1-v2.md](./docs/migration-v1-v2.md) |

```bash
npm install smart-value-objects@^5.0.0
```

Field constraints reference: [docs/field-standards.md](./docs/field-standards.md)