# erigon-rpc: v2.0.2 to v2.0.3

### Mainnet Maintenance & Upgrade Notice

> MerlinChain will begin a mainnet service upgrade on January 20, 2026 at 15:00 UTC.
>
> During this maintenance window, the cdk-erigon-rpc component will be upgraded to version v2.0.3, with the goal of improving overall system stability and performance.
>
> * Upgrade Start Time: UTC: 2026-01-20 15:00
> * Estimated Duration: 48–72 hours
> * Impact: Mainnet RPC and related services may experience intermittent availability
> * Deposit and withdrawal functions related to Merlin Chain should be temporarily disabled by all CEXs prior to the upgrade to prevent potential transaction anomalies or asset risks.

### Release Notes

* <https://github.com/MerlinLayer2/cdk-erigon/releases/tag/v2.0.3>

### Upgrade Guideline

* Update docker image version to v2.0.3 in docker compose file
  * ```yml
    image: merlinadmin/cdk-erigon:v2.0.3
    ```
* Rebuild container
  * ```shellscript
    docker compose pull
    docker compose up -d --force-recreate
    ```