# The Final Horizen Mainnet Node Software Upgrade: ZEN 6.0.0 & EON 1.5.0 Are Available to Download

**Published by:** [Horizen Blog](https://blog.horizen.io/)
**Published on:** 2025-07-01
**URL:** https://blog.horizen.io/the-final-horizen-mainnet-node-software-upgrade-zen-6-0-0-eon-1-5-0-are-available-to-download

## Content

The last and final mainnet node upgrade for Horizen is here. These releases will activate the migration to Base and sunset the legacy chain.About ZEN 6.0.0 - Final Mainchain ZEND ReleaseThe new version ZEN 6.0.0 is available to download on GitHub and via Docker. It is the official release for Horizen Mainnet and Testnet. This is the last and final ZEN update, and it will trigger the Horizen migration to Base.⚠️ ACTION REQUIRED: All nodes running on Mainnet must update to ZEN 6.0.0 before July 23rd, 2025.📥 < **Download ZEN 6.0.0 Now** >This release includes:ZEN 6.0.0 will perform a network upgrade on Mainnet via Hard Fork activating the migration to BaseDeactivation of transactions on the legacy chainScheduled hard fork and activation at block height 1807300, estimated ~6:00 AM UTC on July 23, 2025About EON 1.5.0 - Required Upgrade for EON NodesIn conjunction with the ZEN 6.0.0 release, a new version of EON, EON 1.5.0, is available to download on GitHub and via Docker as well.⚠️ ACTION REQUIRED: All EON Forger and RPC Node operators must update to EON 1.5.0 by July 22, 2025 to ensure proper functioning as the EON network winds down.📥 <**Download EON 1.5.0 Now**>This is the final step before migration. Make sure you’re ready.Need Help or Have Questions?Join the discussion and support channel on Discord for help from the Horizen team and community.Security Reminder: Only follow the official channels for reliable informationHorizen X: https://x.com/horizenglobalHorizen Discord: https://horizen.io/invite/discordHorizen Telegram Group: https://t.me/horizencommunityHorizen website: https://horizen.ioDo not click links or download apps provided by non-official sources.Helpful Migration Resources:Migration GuideMigration Testnet Dry RunMigration Security Best PracticesExchange Support Status Tracker

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