> ## Documentation Index
> Fetch the complete documentation index at: https://docs.skale.space/llms.txt
> Use this file to discover all available pages before exploring further.

# Upgrade to v4.0.0

> SKALE node upgrade steps from 3.1.2 to 4.0.0

## Upgrade steps for the node server

<Steps>
  1. Disable docker-lvmpy
     ```bash theme={null}
     systemctl stop docker-lvmpy && systemctl disable docker-lvmpy
     ```

  2. Download new node-cli binary

     ```bash theme={null}
     curl -L https://github.com/skalenetwork/node-cli/releases/download/2.6.2/skale-2.6.2-Linux-x86_64 > /usr/local/bin/skale
     ```

  3. Verify node-cli binary hash sum

     ```bash theme={null}
     sha512sum /usr/local/bin/skale
     ```

     Expected checksum

     ```bash theme={null}
     e012e18b062015c234e364bc0cd49ee40e65243d725f2261a4a5a2d516ac2fd86d59f3b9104f15f4fbe4045ec3ead018cc7ec159d079001fe9293617602741e4
     ```

  4. Make node-cli executable
     ```bash theme={null}
     chmod +x /usr/local/bin/skale
     ```

  5. Update the following parameters to the new values

     ```bash theme={null}
     CONTAINER_CONFIGS_STREAM=4.0.0
     ```

  6. Run update procedure
     ```bash theme={null}
     skale node update .env --yes
     ```
</Steps>