> For the complete documentation index, see [llms.txt](https://stavr-team.gitbook.io/nodes-guides/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://stavr-team.gitbook.io/nodes-guides/mainnets/sommelier/upgrade.md).

# Upgrade

***🟢UPDATE🟢***** 04.02.25**

*<mark style="color:yellow;">at Height -></mark>* 18506622

```python
cd $HOME/sommelier
git fetch --all
git checkout v9.0.1
make install
sommelier version --long | grep -e commit -e version
#commit: a447cc590e2da9fe2592787c5e828429aa14705a
#version: v9.0.1
sudo systemctl restart sommelier && sudo journalctl -fu sommelier -o cat
#consensus
curl -s http://localhost:26657/consensus_state  | jq '.result.round_state.height_vote_set[0].prevotes_bit_array'
```

&#x20;                              **GitHub**

<https://github.com/PeggyJV/sommelier/tags>