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Controlling which dependencies are updated by Dependabot

Learn how to configure your dependabot.yml file so that Dependabot automatically updates the packages you specify, in the way you define.

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You can customize your Dependabot configuration to suit your needs, by adding options to your dependabot.yml file. For example, you can make sure that Dependabot uses the correct package manifest files, and updates only the dependencies you want maintained.

This article collates customization options you may find useful.

Ignoring specific dependencies

If you are not ready to adopt changes from certain dependencies in your project, you can configure Dependabot to ignore those dependencies when it opens pull requests for version updates. You can do this using one of the following methods.

Here are some examples showing how ignore can be used to customize which dependencies are updated.

  • To ignore updates beyond a specific version

    YAML
    ignore:
  - dependency-name: "lodash:*"
    # Ignore versions of Lodash that are equal to or greater than 1.0.0
    versions: [ ">=1.0.0" ]
    YAML
    ignore:
  - dependency-name: "sphinx"
    versions: [ "[1.1,)" ]

  • To ignore patch updates

    YAML
    ignore:
  - dependency-name: "@types/node"
    # Ignore patch updates for Node
    update-types: ["version-update:semver-patch"]

  • To ignore specific versions or version ranges, see Ignoring specific versions or ranges of versions.

If you want to un-ignore a dependency or ignore condition, you can delete the ignore conditions from the dependabot.yml file or reopen the pull request.

Allowing specific dependencies to be updated

You can use allow to tell Dependabot about the dependencies you want to maintain. allow is usually used in conjunction with ignore.

For more information, see allow in Dependabot options reference.

By default, Dependabot creates version update pull requests only for the dependencies that are explicitly defined in a manifest (direct dependencies). This configuration uses allow to tell Dependabot that we want it to maintain all types of dependency. That is, both the direct dependencies and their dependencies (also known as indirect dependencies, sub-dependencies, or transient dependencies). In addition, the configuration tells Dependabot to ignore all dependencies with a name matching the pattern org.xwiki.* because we have a different process for maintaining them.

Tip

Dependabot checks for all allowed dependencies, then filters out any ignored dependencies. If a dependency is matched by an allow and an ignore statement, then it is ignored.

YAML
version: 2
registries:
  # Helps find updates for non Maven Central dependencies
  maven-xwiki-public:
    type: maven-repository
    url: https://nexus.xwiki.org/nexus/content/groups/public/
    username: ""
    password: ""
  # Required to resolve xwiki-common SNAPSHOT parent pom
  maven-xwiki-snapshots:
    type: maven-repository
    url: https://maven.xwiki.org/snapshots
    username: ""
    password: ""
updates:
  - package-ecosystem: "maven"
    directory: "/"
    registries:
      - maven-xwiki-public
      - maven-xwiki-snapshots
    schedule:
      interval: "weekly"
    allow:
      # Allow both direct and indirect updates for all packages.
      - dependency-type: "all"
    ignore:
      # Ignore XWiki dependencies. We have a separate process for updating them
      - dependency-name: "org.xwiki.*"
    open-pull-requests-limit: 15

Ignoring specific versions or ranges of versions

You can use versions in conjunction with ignore to ignore specific versions or ranges of versions.

For more information, see versions in Dependabot options reference.

  • To ignore a specific version

    YAML
    ignore:
  - dependency-name: "django*"
    # Ignore version 11
    versions: [ "11" ]

  • To ignore a range of versions

    YAML
        ignore:
      - dependency-name: "@types/node"
        versions: ["15.x", "14.x", "13.x"]
      - dependency-name: "xdg-basedir"
        # 5.0.0 has breaking changes as they switch to named exports
        # and convert the module to ESM
        # We can't use it until we switch to ESM across the project
        versions: ["5.x"]
      - dependency-name: "limiter"
        # 2.0.0 has breaking changes
        # so we want to delay updating.
        versions: ["2.x"]

Specifying the semantic versioning level to ignore

You can specify one or more semantic versioning (SemVer) levels to ignore using update-types.

For more information, see update-types in Dependabot options reference.

In this example, Dependabot will ignore patch versions for Node.

YAML
version: 2
updates:
  - package-ecosystem: "npm"
    directory: "/"
    schedule:
      interval: "daily"
    ignore:
      - dependency-name: "express"
        # For Express, ignore all updates for version 4 and 5
        versions: ["4.x", "5.x"]
        # For Lodash, ignore all updates
      - dependency-name: "lodash"
      - dependency-name: "@types/node"
        # For Node types, ignore any patch versions
        update-types: ["version-update:semver-patch"]

Defining a versioning strategy

By default, Dependabot tries to increase the minimum version requirement for dependencies it identifies as apps, and widens the allowed version requirements to include both the new and old versions for dependencies it identifies as libraries.

You can change this default strategy. For more information, see versioning-strategy in Dependabot options reference.

In this example, Dependabot will increase the minimum version requirement to match the new version for both apps and libraries.

YAML
version: 2
updates:
  - package-ecosystem: npm
    directory: "/"
    schedule:
      interval: daily
    # Increase the minimum version for all npm dependencies
    versioning-strategy: increase

In this example, Dependabot will only increase the minimum version requirement if the original constraint does not allow the new version.

YAML
version: 2
updates:
- package-ecosystem: pip
  directory: "/"
  schedule:
    interval: daily
  open-pull-requests-limit: 20
  rebase-strategy: "disabled"
  # Increase the version requirements for npm
  # only when required
  versioning-strategy: increase-if-necessary

Updating vendored dependencies

You can instruct Dependabot to vendor specific dependencies when updating them.

Dependabot automatically maintains vendored dependencies for Go modules, and you can configure Bundler to also update vendored dependencies.

For more information, see vendor in Dependabot options reference.

In this example, vendor is set to true for Bundler, which means that Dependabot will also maintain dependencies for Bundler that are stored in the vendor/cache directory in the repository.

YAML
version: 2
updates:
- package-ecosystem: bundler
  directory: "/"
  # Vendoring Bundler
  vendor: true
  schedule:
    interval: weekly
    day: saturday
  open-pull-requests-limit: 10