> 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/chain4energy/upgrade.md).

# Upgrade

***

<figure><img src="https://github.com/takeshi-val/Logo/raw/main/chain4energy.png" alt="" width="150"><figcaption></figcaption></figure>

**Chain ID**: perun-1 | **Latest Version Tag**: v1.3.1 |

### Download and build upgrade binaries

```bash
# Clone project repository 

cd $HOME
git clone --depth 1 --branch  v1.3.1  https://github.com/chain4energy/c4e-chain.git
cd c4e-chain
git checkout v1.3.1
make install



sudo systemctl restart c4ed && journalctl -u c4ed -f

```