diff --git a/.github/workflows/update-dependencies.yml b/.github/workflows/update-dependencies.yml
index 1086b1e9..98bfed52 100644
--- a/.github/workflows/update-dependencies.yml
+++ b/.github/workflows/update-dependencies.yml
@@ -54,7 +54,6 @@ jobs:
 
           PR generated by "Update ${{ matrix.dependency_nice }}" [workflow](https://github.com/${{github.repository}}/actions/runs/${{github.run_id}}).
         branch: update-${{ matrix.dependency }}-pr
-        committer: "scikit-build-app-bot[bot] <173546081+scikit-build-app-bot[bot]@users.noreply.github.com>"
-        author: "scikit-build-app-bot[bot] <173546081+scikit-build-app-bot[bot]@users.noreply.github.com>"
+        sign-commits: true
         token: ${{ steps.app-token.outputs.token }}
         delete-branch: true