Update-Package (Package Manager Console in Visual Studio)
Available only within the NuGet Package Manager Console in Visual Studio on Windows.
Updates a package and its dependencies, or all packages in a project, to a newer version.
Update-Package [-Id] <string> [-IgnoreDependencies] [-ProjectName <string>] [-Version <string>] [-Safe] [-Source <string>] [-IncludePrerelease] [-Reinstall] [-FileConflictAction] [-DependencyVersion] [-ToHighestPatch] [-ToHighestMinor] [-WhatIf] [<CommonParameters>]
In NuGet 2.8+,
Update-Package can be used to downgrade an existing package in your project. For example, if you have Microsoft.AspNet.MVC 5.1.0-rc1 installed, the following command would downgrade it to 5.0.0:
Update-Package Microsoft.AspNet.MVC -Version 5.0.0.
|Id||The identifier of the package to update. If omitted, updates all packages. The -Id switch itself is optional.|
|IgnoreDependencies||Skips updating the package's dependencies.|
|ProjectName||The name of the project containing the packages to update, defaulting to all projects.|
|Version||The version to use for the upgrade, defaulting to the latest version. In NuGet 3.0+, the version value must be one of Lowest, Highest, HighestMinor, or HighestPatch (equivalent to -Safe).|
|Safe||Constrains upgrades to only versions with the same Major and Minor version as the currently installed package.|
|Source||The URL or folder path for the package source to search. Local folder paths can be absolute, or relative to the current folder. If omitted,
|IncludePrerelease||Includes prerelease packages for updates.|
|Reinstall||Resintalls packages using their currently installed versions. See Reinstalling and updating packages.|
|FileConflictAction||The action to take when asked to overwrite or ignore existing files referenced by the project. Possible values are Overwrite, Ignore, None, OverwriteAll, and IgnoreAll (3.0+).|
|DependencyVersion||The version of the dependency packages to use, which can be one of the following:
|ToHighestPatch||Constrains upgrades to only versions with the same Minor version as the currently installed package.|
|ToHighestMinor||Constrains upgrades to only versions with the same Major version as the currently installed package.|
|WhatIf||Shows what would happen when running the command without actually performing the update.|
None of these parameters accept pipeline input or wildcard characters.
Update-Package supports the following common PowerShell parameters: Debug, Error Action, ErrorVariable, OutBuffer, OutVariable, PipelineVariable, Verbose, WarningAction, and WarningVariable.
# Updates all packages in every project of the solution Update-Package # Updates every package in the MvcApplication1 project Update-Package -ProjectName MvcApplication1 # Updates the Elmah package in every project to the latest version Update-Package Elmah # Updates the Elmah package to version 1.1.0 in every project showing optional -Id usage Update-Package -Id Elmah -Version 1.1.0 # Updates the Elmah package within the MvcApplication1 project to the highest "safe" version. # For example, if Elmah version 1.0.0 of a package is installed, and versions 1.0.1, 1.0.2, # and 1.1 are available in the feed, the -Safe parameter updates the package to 1.0.2 instead # of 1.1 as it would otherwise. Update-Package Elmah -ProjectName MvcApplication1 -Safe # Reinstall the same version of the original package, but with the latest version of dependencies # (subject to version constraints). If this command rolls a dependency back to an earlier version, # use Update-Package <dependency_name> to reinstall that one dependency without affecting the # dependent package. Update-Package ELmah –reinstall # Reinstall the Elmah package in just MyProject Update-Package Elmah -ProjectName MyProject -reinstall # Reinstall the same version of the original package without touching dependencies. Update-Package ELmah –reinstall -ignoreDependencies
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