# Rolling Upgrades

> The ability to upgrade instances one at a time while old and new versions interoperate.

Record: `lex:rolling-upgrades`
Kind: capability
Layer: [Contracts Core](https://banes-lab.com/records/layer/contracts-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lex-rolling-upgrades

## category

- [Contracts / Interfaces / Compatibility](https://banes-lab.com/records/lex-category/contracts-interfaces-compatibility.md)

## referenced-by

- [Forward Compatibility](https://banes-lab.com/records/arch/forward-compatibility.md)