diff --git a/.github/workflows/remove-stale-branches.yml b/.github/workflows/remove-stale-branches.yml
index 83ccdea..7cad01e 100644
--- a/.github/workflows/remove-stale-branches.yml
+++ b/.github/workflows/remove-stale-branches.yml
@@ -11,6 +11,8 @@ jobs:
       - uses: fpicalausa/remove-stale-branches@v1.5.8
         with:
           dry-run: false
+          ignore-unknown-authors: true
+          default-recipient: "corda-jenkins-ci02"
           days-before-branch-stale: 30
           days-before-branch-delete: 14
           stale-branch-message: "@{author} The branch [{branchName}]({branchUrl}) hasn't been updated in the last 30 days and is marked as stale. It will be removed in 14 days.\r\nIf you want to keep this branch around, delete this comment or add new commits to this branch."