# Upgrade

***🟢UPDATE🟢*****&#x20;23.09.24**&#x20;

*<mark style="color:yellow;">at Height -></mark>* 9856420

```python
cd $HOME/bcna
git fetch
git checkout v4.0.0-rc5
make install
bcnad version --long | grep -e commit -e version
#version: 4.0.0-rc5
#commit: 07792dcbfeaef6ccc1654880d90737bde1bebf51
sudo systemctl restart bcnad && sudo journalctl -fu bcnad -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/BitCannaGlobal/bcna/tags>


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://stavr-team.gitbook.io/nodes-guides/archive/bitcanna-t-halt/upgrade.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
