diff --git a/.forgejo/actions/update-flake-lock/action.yml b/.forgejo/actions/update-flake-lock/action.yml
new file mode 100644
index 0000000..5df9ea5
--- /dev/null
+++ b/.forgejo/actions/update-flake-lock/action.yml
@@ -0,0 +1,222 @@
+name: "Update Nix Flake Lock"
+description: "Update your Nix flake.lock and send a PR"
+inputs:
+  inputs:
+    description: "A space-separated list of inputs to update. Leave empty to update all inputs."
+    required: false
+    default: ""
+  token:
+    description: "GITHUB_TOKEN or a `repo` scoped Personal Access Token (PAT)"
+    required: false
+    default: ${{ github.token }}
+  commit-msg:
+    description: "The message provided with the commit"
+    required: false
+    default: "flake.lock: Update"
+  base:
+    description: "Sets the pull request base branch. Defaults to the branch checked out in the workflow."
+    required: false
+  branch:
+    description: "The branch of the PR to be created"
+    required: false
+    default: "update_flake_lock_action"
+  path-to-flake-dir:
+    description: "The path of the directory containing `flake.nix` file within your repository. Useful when `flake.nix` cannot reside at the root of your repository."
+    required: false
+  pr-title:
+    description: "The title of the PR to be created"
+    required: false
+    default: "flake.lock: Update"
+  pr-body:
+    description: "The body of the PR to be created"
+    required: false
+    default: |
+      Automated changes by the [update-flake-lock](https://github.com/DeterminateSystems/update-flake-lock) GitHub Action.
+
+      ```
+      {{ env.GIT_COMMIT_MESSAGE }}
+      ```
+
+      ### Running GitHub Actions on this PR
+
+      GitHub Actions will not run workflows on pull requests which are opened by a GitHub Action.
+
+      To run GitHub Actions workflows on this PR, run:
+
+      ```sh
+      git branch -D update_flake_lock_action
+      git fetch origin
+      git checkout update_flake_lock_action
+      git commit --amend --no-edit
+      git push origin update_flake_lock_action --force
+      ```
+
+  pr-labels:
+    description: "A comma or newline separated list of labels to set on the Pull Request to be created"
+    required: false
+    default: ""
+  pr-assignees:
+    description: "A comma or newline separated list of assignees (GitHub usernames)."
+    required: false
+    default: ""
+  pr-reviewers:
+    description: "A comma or newline separated list of reviewers (GitHub usernames) to request a review from."
+    required: false
+    default: ""
+  git-author-name:
+    description: "Author name used for commit. Only used if sign-commits is false."
+    required: false
+    default: "github-actions[bot]"
+  git-author-email:
+    description: "Author email used for commit. Only used if sign-commits is false."
+    required: false
+    default: "github-actions[bot]@users.noreply.github.com"
+  git-committer-name:
+    description: "Committer name used for commit. Only used if sign-commits is false."
+    required: false
+    default: "github-actions[bot]"
+  git-committer-email:
+    description: "Committer email used for commit. Only used if sign-commits is false."
+    required: false
+    default: "github-actions[bot]@users.noreply.github.com"
+  sign-commits:
+    description: "Set to true if the action should sign the commit with GPG"
+    required: false
+    default: "false"
+  gpg-private-key:
+    description: "GPG Private Key with which to sign the commits in the PR to be created"
+    required: false
+    default: ""
+  gpg-fingerprint:
+    description: "Fingerprint of specific GPG subkey to use"
+    required: false
+  gpg-passphrase:
+    description: "GPG Private Key Passphrase for the GPG Private Key with which to sign the commits in the PR to be created"
+    required: false
+    default: ""
+  nix-options:
+    description: "A space-separated list of options to pass to the nix command"
+    required: false
+    default: ""
+  # _internal-strict-mode:
+  #   description: Whether to fail when any errors are thrown. Used only to test the Action; do not set this in your own workflows.
+  #   required: false
+  #   default: false
+outputs:
+  pull-request-number:
+    description: "The number of the opened pull request"
+    value: ${{ steps.create-pr.outputs.pull-request-number }}
+  pull-request-operation:
+    description: "The pull request operation performed by the action, `created`, `updated` or `closed`."
+    value: ${{ steps.create-pr.outputs.pull-request-operation }}
+runs:
+  using: "composite"
+  steps:
+    - name: Import bot's GPG key for signing commits
+      if: ${{ inputs.sign-commits == 'true' }}
+      id: import-gpg
+      uses: https://github.com/crazy-max/ghaction-import-gpg@01dd5d3ca463c7f10f7f4f7b4f177225ac661ee4 # v6.1.0
+      with:
+        gpg_private_key: ${{ inputs.gpg-private-key }}
+        fingerprint: ${{ inputs.gpg-fingerprint }}
+        passphrase: ${{ inputs.gpg-passphrase }}
+        git_config_global: true
+        git_user_signingkey: true
+        git_commit_gpgsign: true
+    - name: Set environment variables (signed commits)
+      if: ${{ inputs.sign-commits == 'true' }}
+      shell: bash
+      env:
+        GIT_AUTHOR_NAME: ${{ steps.import-gpg.outputs.name }}
+        GIT_AUTHOR_EMAIL: ${{ steps.import-gpg.outputs.email }}
+        GIT_COMMITTER_NAME: ${{ steps.import-gpg.outputs.name }}
+        GIT_COMMITTER_EMAIL: ${{ steps.import-gpg.outputs.email }}
+        TARGETS: ${{ inputs.inputs }}
+      run: |
+        echo "GIT_AUTHOR_NAME=$GIT_AUTHOR_NAME" >> $GITHUB_ENV
+        echo "GIT_AUTHOR_EMAIL=<$GIT_AUTHOR_EMAIL>" >> $GITHUB_ENV
+        echo "GIT_COMMITTER_NAME=$GIT_COMMITTER_NAME" >> $GITHUB_ENV
+        echo "GIT_COMMITTER_EMAIL=<$GIT_COMMITTER_EMAIL>" >> $GITHUB_ENV
+    - name: Set environment variables (unsigned commits)
+      if: ${{ inputs.sign-commits != 'true' }}
+      shell: bash
+      run: |
+        echo "GIT_AUTHOR_NAME=${{ inputs.git-author-name }}" >> $GITHUB_ENV
+        echo "GIT_AUTHOR_EMAIL=<${{ inputs.git-author-email }}>" >> $GITHUB_ENV
+        echo "GIT_COMMITTER_NAME=${{ inputs.git-committer-name }}" >> $GITHUB_ENV
+        echo "GIT_COMMITTER_EMAIL=<${{ inputs.git-committer-email }}>" >> $GITHUB_ENV
+    - name: Run update-flake-lock
+      shell: bash
+      run: node "$GITHUB_ACTION_PATH/dist/index.js"
+      env:
+        # The following manually exposes all of the action inputs into INPUT_ environment variables so actionsCore.getInput works:
+        # https://github.com/actions/toolkit/blob/ae38557bb0dba824cdda26ce787bd6b66cf07a83/packages/core/src/core.ts#L126
+        INPUT_BASE: ${{ inputs.base }}
+        INPUT_BRANCH: ${{ inputs.branch }}
+        INPUT_COMMIT-MSG: ${{ inputs.commit-msg }}
+        INPUT_GIT-AUTHOR-EMAIL: ${{ inputs.git-author-email }}
+        INPUT_GIT-AUTHOR-NAME: ${{ inputs.git-author-name }}
+        INPUT_GIT-COMMITTER-EMAIL: ${{ inputs.git-committer-email }}
+        INPUT_GIT-COMMITTER-NAME: ${{ inputs.git-committer-name }}
+        INPUT_GPG-FINGERPRINT: ${{ inputs.gpg-fingerprint }}
+        INPUT_GPG-PASSPHRASE: ${{ inputs.gpg-passphrase }}
+        INPUT_GPG-PRIVATE-KEY: ${{ inputs.gpg-private-key }}
+        INPUT_INPUTS: ${{ inputs.inputs }}
+        INPUT_NIX-OPTIONS: ${{ inputs.nix-options }}
+        INPUT_PATH-TO-FLAKE-DIR: ${{ inputs.path-to-flake-dir }}
+        INPUT_PR-ASSIGNEES: ${{ inputs.pr-assignees }}
+        INPUT_PR-BODY: ${{ inputs.pr-body }}
+        INPUT_PR-LABELS: ${{ inputs.pr-labels }}
+        INPUT_PR-REVIEWERS: ${{ inputs.pr-reviewers }}
+        INPUT_PR-TITLE: ${{ inputs.pr-title }}
+        INPUT_PULL-REQUEST-NUMBER: ${{ inputs.pull-request-number }}
+        INPUT_PULL-REQUEST-OPERATION: ${{ inputs.pull-request-operation }}
+        INPUT_SIGN-COMMITS: ${{ inputs.sign-commits }}
+        INPUT_TOKEN: ${{ inputs.token }}
+        INPUT__INTERNAL-STRICT-MODE: ${{ inputs._internal-strict-mode }}
+    - name: Save PR Body as file
+      uses: https://github.com/DamianReeves/write-file-action@v1.3
+      with:
+        path: pr_body.template
+        contents: ${{ inputs.pr-body }}
+      env: {}
+    - name: Set additional env variables (GIT_COMMIT_MESSAGE)
+      shell: bash
+      run: |
+        DELIMITER=$(dd if=/dev/urandom bs=15 count=1 status=none | base64)
+        COMMIT_MESSAGE="$(git log --format=%b -n 1)"
+        echo "GIT_COMMIT_MESSAGE<<$DELIMITER" >> $GITHUB_ENV
+        echo "$COMMIT_MESSAGE" >> $GITHUB_ENV
+        echo "$DELIMITER" >> $GITHUB_ENV
+        echo "GIT_COMMIT_MESSAGE is: ${COMMIT_MESSAGE}"
+    - name: Interpolate PR Body
+      uses: pedrolamas/handlebars-action@2995d7eadacbc8f2f6ab8431a01d84a5fa3b8bb4 # v2.4.0
+      with:
+        files: "pr_body.template"
+        output-filename: "pr_body.txt"
+    - name: Read pr_body.txt
+      id: pr_body
+      uses: juliangruber/read-file-action@v1
+      with:
+        path: "pr_body.txt"
+    # We need to remove the pr_body files so that the
+    # peter-evans/create-pull-request action does not commit it (the
+    # action commits all new and modified files).
+    - name: Remove PR body template files
+      shell: bash
+      run: rm -f pr_body.txt pr_body.template
+    - name: Create PR
+      id: create-pr
+      uses: https://github.com/peter-evans/create-pull-request@6d6857d36972b65feb161a90e484f2984215f83e # v6.0.5
+      with:
+        base: ${{ inputs.base }}
+        branch: ${{ inputs.branch }}
+        delete-branch: true
+        committer: ${{ env.GIT_COMMITTER_NAME }} ${{ env.GIT_COMMITTER_EMAIL }}
+        author: ${{ env.GIT_AUTHOR_NAME }} ${{ env.GIT_AUTHOR_EMAIL }}
+        title: ${{ inputs.pr-title }}
+        token: ${{ inputs.token }}
+        assignees: ${{ inputs.pr-assignees }}
+        labels: ${{ inputs.pr-labels }}
+        reviewers: ${{ inputs.pr-reviewers }}
+        body: ${{ steps.pr_body.outputs.content }}
diff --git a/.forgejo/workflows/update_lock.yaml b/.forgejo/workflows/update_lock.yaml
index 2e5dc87..d362035 100644
--- a/.forgejo/workflows/update_lock.yaml
+++ b/.forgejo/workflows/update_lock.yaml
@@ -18,7 +18,7 @@ jobs:
       - name: Install Nix
         uses: https://github.com/DeterminateSystems/nix-installer-action@main
       - name: Update flake.lock
-        uses: https://github.com/DeterminateSystems/update-flake-lock@main
+        uses: ./.forgejo/actions/update-flake-lock
         with:
           pr-title: "Update flake.lock" # Title of PR to be created
           pr-labels: |                  # Labels to be set on the PR