# Migration guide from v.1.8.1 to v.1.8.2
Upgrading your Luban-H5 application to `v.1.8.2`.

the patch changes are [here(v1.8.2 release log)](https://github.com/ly525/luban-h5/releases/tag/v1.8.2)


To upgrade a project to the `v.1.8.2` version of Luban-H5 follow the instructions below.

```bash
# pull the latest code
# rebuild the preview module
./luban-h5 rebuild_engine
```

feel free open an [issue](https://github.com/ly525/luban-h5/issues) if you have questions about this.