> For the complete documentation index, see [llms.txt](https://services.takeshi.team/chain/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://services.takeshi.team/chain/mainnet/kichain/upgrade.md).

# Upgrade

<figure><img src="https://github.com/takeshi-val/Logo/raw/main/kichain.png" alt=""><figcaption></figcaption></figure>

**Chain ID**: kichain-2 | **Latest Version Tag**: v4.2.0 |

## Download and build upgrade binaries

```bash
# Clone project repository
cd $HOME
rm -rf ki-tools
git clone https://github.com/kichain/kichain-sdk.git pismoA
cd ki-tools
git checkout v4.2.0
make install

sudo systemctl start kid && journalctl -u kid -f 
```