# `HephaestusOban.AdvanceWorker`
[🔗](https://github.com/lucas-stellet/hephaestus_oban/blob/v0.5.0/lib/hephaestus_oban/workers/advance_worker.ex#L1)

Serialized orchestrator for advancing a workflow instance.

Job args include `"workflow_version"` alongside the instance and workflow
identifiers. When the worker fans out new `ExecuteStepWorker` jobs it forwards
that same version so every downstream step execution stays pinned to the
workflow revision that created the instance.

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*Consult [api-reference.md](api-reference.md) for complete listing*