> For the complete documentation index, see [llms.txt](https://docs.cronos.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cronos.com/for-node-hosts/running-nodes/cronos-mainnet/upgrade-guide.md).

# Upgrade Guide

- [The "Huygen" upgrade guide (v0.6.\* to v0.7.\*)](https://docs.cronos.com/for-node-hosts/running-nodes/cronos-mainnet/upgrade-guide/huygen.md)
- [The "v0.7.0-hotfix" upgrade guide (v0.7.\* to v0.8.\*)](https://docs.cronos.com/for-node-hosts/running-nodes/cronos-mainnet/upgrade-guide/huygen-1.md)
- [The "Galileo" upgrade guide (v0.8.\* to v1.0.\*)](https://docs.cronos.com/for-node-hosts/running-nodes/cronos-mainnet/upgrade-guide/huygen-2.md)
- [The "Titan" upgrade guide (v1.0.\* to v1.1.0)](https://docs.cronos.com/for-node-hosts/running-nodes/cronos-mainnet/upgrade-guide/huygen-3.md)
- [The "v1.2" upgrade guide (v1.1.\* to v1.2.0)](https://docs.cronos.com/for-node-hosts/running-nodes/cronos-mainnet/upgrade-guide/the-v1.2-upgrade-guide-v1.1.-to-v1.2.0.md)
- [The "v1.3" upgrade guide (v1.2.\* to v1.3.0)](https://docs.cronos.com/for-node-hosts/running-nodes/cronos-mainnet/upgrade-guide/the-v1.3-upgrade-guide-v1.2.-to-v1.3.0.md)
- [The "v1.4" Pallene upgrade guide (v1.3.\* to v1.4.1)](https://docs.cronos.com/for-node-hosts/running-nodes/cronos-mainnet/upgrade-guide/the-v1.4-pallene-upgrade-guide-v1.3.-to-v1.4.1.md)
- [The "v1.5" Smarturn upgrade guide (v1.4.\* to v1.5.1)](https://docs.cronos.com/for-node-hosts/running-nodes/cronos-mainnet/upgrade-guide/the-v1.5-smarturn-upgrade-guide-v1.4.-to-v1.5.1.md)
- [The "v1.6" upgrade guide (v1.5.\* to v1.6.1)](https://docs.cronos.com/for-node-hosts/running-nodes/cronos-mainnet/upgrade-guide/the-v1.6-upgrade-guide-v1.5.-to-v1.6.1.md)
- [The "v1.7" upgrade guide (v1.6.1 to v1.7.0)](https://docs.cronos.com/for-node-hosts/running-nodes/cronos-mainnet/upgrade-guide/the-v1.7-upgrade-guide-v1.6.1-to-v1.7.0.md)