diff --git a/.github/workflows/upsert-scala-steward-dependencies-branch.yml b/.github/workflows/upsert-scala-steward-dependencies-branch.yml
index 2d80d441..3a97261d 100644
--- a/.github/workflows/upsert-scala-steward-dependencies-branch.yml
+++ b/.github/workflows/upsert-scala-steward-dependencies-branch.yml
@@ -16,5 +16,7 @@ jobs:
           fetch-depth: 0
       - name: Rebase `scala-steward-dependencies` branch to latest `origin/master`
         run: |
+            git config user.email digitalpreservation@nationalarchives.gov.uk
+            git config user.name tna-digital-archiving-jenkins
             git rebase origin/master
             git push -f -u origin scala-steward-dependencies