---
title: NuGet packages
description: AutoFixture packages on NuGet for v5 and v4, with API reference links.
---

New projects should use **v5** (`5.0.0-rc.1`). v4 packages remain available for existing codebases.

## v5 packages

| Package | NuGet | API |
|---------|-------|-----|
| AutoFixture | [AutoFixture 5.0.0-rc.1](https://www.nuget.org/packages/AutoFixture/5.0.0-rc.1) | [/api/autofixture/5-0-0-rc-1](/api/autofixture/5-0-0-rc-1) |
| AutoFixture.Xunit3 | [AutoFixture.Xunit3 5.0.0-rc.1](https://www.nuget.org/packages/AutoFixture.Xunit3/5.0.0-rc.1) | [/api/xunit3/5-0-0-rc-1](/api/xunit3/5-0-0-rc-1) |
| AutoFixture.NUnit4 | [AutoFixture.NUnit4 5.0.0-rc.1](https://www.nuget.org/packages/AutoFixture.NUnit4/5.0.0-rc.1) | [/api/nunit4/5-0-0-rc-1](/api/nunit4/5-0-0-rc-1) |
| AutoFixture.AutoMoq | [AutoFixture.AutoMoq 5.0.0-rc.1](https://www.nuget.org/packages/AutoFixture.AutoMoq/5.0.0-rc.1) | [/api/automoq/5-0-0-rc-1](/api/automoq/5-0-0-rc-1) |
| AutoFixture.AutoNSubstitute | [AutoFixture.AutoNSubstitute 5.0.0-rc.1](https://www.nuget.org/packages/AutoFixture.AutoNSubstitute/5.0.0-rc.1) | [/api/autonsubstitute/5-0-0-rc-1](/api/autonsubstitute/5-0-0-rc-1) |
| AutoFixture.AutoFakeItEasy | [AutoFixture.AutoFakeItEasy 5.0.0-rc.1](https://www.nuget.org/packages/AutoFixture.AutoFakeItEasy/5.0.0-rc.1) | [/api/autofakeiteasy/5-0-0-rc-1](/api/autofakeiteasy/5-0-0-rc-1) |
| AutoFixture.SeedExtensions | [AutoFixture.SeedExtensions 5.0.0-rc.1](https://www.nuget.org/packages/AutoFixture.SeedExtensions/5.0.0-rc.1) | [/api/seedextensions/5-0-0-rc-1](/api/seedextensions/5-0-0-rc-1) |
| AutoFixture.Idioms | [AutoFixture.Idioms 5.0.0-rc.1](https://www.nuget.org/packages/AutoFixture.Idioms/5.0.0-rc.1) | [/api/idioms/5-0-0-rc-1](/api/idioms/5-0-0-rc-1) |

## v4 packages

| Package | NuGet | API |
|---------|-------|-----|
| AutoFixture | [AutoFixture 4.18.1](https://www.nuget.org/packages/AutoFixture/4.18.1) | [/api/autofixture/4-18-1](/api/autofixture/4-18-1) |
| AutoFixture.xUnit | [AutoFixture.xUnit 4.18.1](https://www.nuget.org/packages/AutoFixture.xUnit/4.18.1) | [/api/xunit/4-18-1](/api/xunit/4-18-1) |
| AutoFixture.xUnit2 | [AutoFixture.xUnit2 4.18.1](https://www.nuget.org/packages/AutoFixture.xUnit2/4.18.1) | [/api/xunit2/4-18-1](/api/xunit2/4-18-1) |
| AutoFixture.NUnit2 | [AutoFixture.NUnit2 4.18.1](https://www.nuget.org/packages/AutoFixture.NUnit2/4.18.1) | [/api/nunit2/4-18-1](/api/nunit2/4-18-1) |
| AutoFixture.NUnit3 | [AutoFixture.NUnit3 4.18.1](https://www.nuget.org/packages/AutoFixture.NUnit3/4.18.1) | [/api/nunit3/4-18-1](/api/nunit3/4-18-1) |
| AutoFixture.AutoMoq | [AutoFixture.AutoMoq 4.18.1](https://www.nuget.org/packages/AutoFixture.AutoMoq/4.18.1) | [/api/automoq/4-18-1](/api/automoq/4-18-1) |
| AutoFixture.AutoNSubstitute | [AutoFixture.AutoNSubstitute 4.18.1](https://www.nuget.org/packages/AutoFixture.AutoNSubstitute/4.18.1) | [/api/autonsubstitute/4-18-1](/api/autonsubstitute/4-18-1) |
| AutoFixture.AutoFakeItEasy | [AutoFixture.AutoFakeItEasy 4.18.1](https://www.nuget.org/packages/AutoFixture.AutoFakeItEasy/4.18.1) | [/api/autofakeiteasy/4-18-1](/api/autofakeiteasy/4-18-1) |
| AutoFixture.SeedExtensions | [AutoFixture.SeedExtensions 4.18.1](https://www.nuget.org/packages/AutoFixture.SeedExtensions/4.18.1) | [/api/seedextensions/4-18-1](/api/seedextensions/4-18-1) |
| AutoFixture.Idioms | [AutoFixture.Idioms 4.18.1](https://www.nuget.org/packages/AutoFixture.Idioms/4.18.1) | [/api/idioms/4-18-1](/api/idioms/4-18-1) |
| AutoFixture.Idioms.FsCheck | [AutoFixture.Idioms.FsCheck 4.18.1](https://www.nuget.org/packages/AutoFixture.Idioms.FsCheck/4.18.1) | [/api/idioms-fscheck/4-18-1](/api/idioms-fscheck/4-18-1) |
| AutoFixture.AutoFoq | [AutoFixture.AutoFoq 4.18.1](https://www.nuget.org/packages/AutoFixture.AutoFoq/4.18.1) | [/api/autofoq/4-18-1](/api/autofoq/4-18-1) |
| AutoFixture.AutoRhinoMocks | [AutoFixture.AutoRhinoMocks 4.18.1](https://www.nuget.org/packages/AutoFixture.AutoRhinoMocks/4.18.1) | [/api/autorhinomocks/4-18-1](/api/autorhinomocks/4-18-1) |
| AutoFixture.TUnit | [AutoFixture.TUnit 0.1.0-preview0001](https://www.nuget.org/packages/AutoFixture.TUnit/0.1.0-preview0001) | [/api/tunit/0-1-0-preview0001](/api/tunit/0-1-0-preview0001) |

See [v4 to v5 migration](/docs/reference/v4-to-v5-migration) when upgrading.

## Related

- [Compatibility](/docs/reference/compatibility)
- [Cheat sheet](/docs/reference/cheat-sheet)
- [FAQ](/docs/reference/faq)
- [API reference](/docs/reference/api-reference)