# Migrations This document contains all the migration guides to update your app and modules to the current Cosmos SDK. 1. Chain Upgrade Guide to v0.46: * See [UPGRADING.md (TODO)](https://github.com/cosmos/cosmos-sdk/blob/main/UPGRADING.md) for breaking changes and deprecations upgrade instructions. * See [Release Notes](https://github.com/cosmos/cosmos-sdk/blob/v0.46.0-rc1/RELEASE_NOTES.md) and [changelog](https://github.com/cosmos/cosmos-sdk/blob/v0.46.0-rc1/CHANGELOG.md) for the exhaustive list of API and State Machine breaking changes.