# Pin Versions

> A technique for recording exact versions of dependencies and tools, so every build uses the same inputs.

Record: `lexicon:pin-versions`
Kind: technique
Layer: [Computation Core](https://banes-lab.com/records/layer/computation-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-pin-versions

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Postcondition Check](https://banes-lab.com/records/lexicon/postcondition-check.md) and before [Ignored Analyzer Findings](https://banes-lab.com/records/lexicon/ignored-analyzer-findings.md).

## Category

- [Correctness / Determinism / Verification](https://banes-lab.com/records/lexicon-category/correctness-determinism-verification.md)

## Refactors

- [Reproducibility](https://banes-lab.com/records/architecture/reproducibility.md)

## Linked from

- [Correctness / Determinism / Verification](https://banes-lab.com/ontology/principles/architecture-category-correctness-determinism-verification.md)