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About the dependency graph

You can use the dependency graph to identify all your project's dependencies. The dependency graph supports a range of popular package ecosystems.

About the dependency graph

La gráfica de dependencias es un resumen de los archivos de bloqueo y de manifiesto que se almacenan en un repositorio. Para cada repositorio, muestra:

  • Las dependencias, ecosistemas y paquetes de los cuales depende
  • Los dependientes, repositorios y paquetes que dependen de ella

When you push a commit to GitHub that changes or adds a supported manifest or lock file to the default branch, the dependency graph is automatically updated. In addition, the graph is updated when anyone pushes a change to the repository of one of your dependencies. For information on the supported ecosystems and manifest files, see "Supported package ecosystems" below.

When you create a pull request containing changes to dependencies that targets the default branch, GitHub uses the dependency graph to add dependency reviews to the pull request. These indicate whether the dependencies contain vulnerabilities and, if so, the version of the dependency in which the vulnerability was fixed. For more information, see "About dependency review."

Dependency graph availability

The dependency graph is available for every public repository that defines dependencies in a supported package ecosystem using a supported file format. Repository administrators can also set up the dependency graph for private repositories. For more information, see "Configuring the dependency graph."

Dependencies included

The dependency graph includes all the dependencies of a repository that are detailed in the manifest and lock files, or their equivalent, for supported ecosystems. This includes:

  • Direct dependencies, that are explicitly defined in a manifest or lock file
  • Indirect dependencies of these direct dependencies, also known as transitive dependencies or sub-dependencies

The dependency graph identifies indirect dependencies either explicitly from a lock file or by checking the dependencies of your direct dependencies. For the most reliable graph, you should use lock files (or their equivalent) because they define exactly which versions of the direct and indirect dependencies you currently use. If you use lock files, you also ensure that all contributors to the repository are using the same versions, which will make it easier for you to test and debug code.

For more information on how GitHub helps you understand the dependencies in your environment, see "About supply chain security."

Dependents included

For public repositories, only public repositories that depend on it or on packages that it publishes are reported. This information is not reported for private repositories.

Using the dependency graph

You can use the dependency graph to:

Supported package ecosystems

The recommended formats explicitly define which versions are used for all direct and all indirect dependencies. If you use these formats, your dependency graph is more accurate. It also reflects the current build set up and enables the dependency graph to report vulnerabilities in both direct and indirect dependencies. Indirect dependencies that are inferred from a manifest file (or equivalent) are excluded from the checks for vulnerable dependencies.

Package managerLanguagesRecommended formatsAll supported formats
ComposerPHPcomposer.lockcomposer.json, composer.lock
NuGet.NET languages (C#, F#, VB), C++.csproj, .vbproj, .nuspec, .vcxproj, .fsproj.csproj, .vbproj, .nuspec, .vcxproj, .fsproj, packages.config
GitHub Actions workflows[1]YAML.yml, .yaml.yml, .yaml
Go modulesGogo.sumgo.mod, go.sum
MavenJava, Scalapom.xmlpom.xml
npmJavaScriptpackage-lock.jsonpackage-lock.json, package.json
pipPythonrequirements.txt, pipfile.lockrequirements.txt, pipfile, pipfile.lock, setup.py[2]
Python PoetryPythonpoetry.lockpoetry.lock, pyproject.toml
RubyGemsRubyGemfile.lockGemfile.lock, Gemfile, *.gemspec
YarnJavaScriptyarn.lockpackage.json, yarn.lock

[1] Please note that GitHub Actions workflows must be located in the .github/workflows/ directory of a repository to be recognized as manifests. Any actions or workflows referenced using the syntax jobs[*].steps[*].uses or jobs.<job_id>.uses will be parsed as dependencies. For more information, see "Workflow syntax for GitHub Actions."

[2] If you list your Python dependencies within a setup.py file, we may not be able to parse and list every dependency in your project.

Note: GitHub Actions workflow dependencies are displayed in the dependency graph for informational purposes. Dependabot alerts are not currently supported for GitHub Actions workflows.

Further reading