Sepolia Testnet: Base Beryl Upgrade - June 18th

Scheduled for Jun 18, 18:00 - 20:00 UTC

Scheduled

On Thursday, June 18th at 18:00 UTC (Unix timestamp 1781805600), the Base Sepolia Testnet will undergo the Beryl upgrade.

Operators of Base Sepolia Testnet nodes must upgrade to the 1.1.0, or greater, release of the github.com/base/base software. Preconfigured builds for this version are available from github.com/base/node with a corresponding release: https://github.com/base/node/releases/tag/v1.1.0.

Please see the following document for migration instructions: https://docs.base.org/base-chain/specs/upgrades/beryl/overview#required-software

Posted Jun 12, 2026 - 20:48 UTC

This scheduled maintenance affects: Testnet (Client Software).