diff --git a/.github/workflows/reusable-bump-flake-lock-and-selfup.yml b/.github/workflows/reusable-bump-flake-lock-and-selfup.yml
index 09ca4c2..9b2f842 100644
--- a/.github/workflows/reusable-bump-flake-lock-and-selfup.yml
+++ b/.github/workflows/reusable-bump-flake-lock-and-selfup.yml
@@ -96,7 +96,7 @@ jobs:
         run: nix flake update --commit-lock-file
       - name: Update related CI dependencies
         run: |
-          git ls-files .github | selfup run
+          git ls-files .github | xargs selfup run
           git diff-index --quiet HEAD || git commit -m '${{ inputs.selfup-commit-message }}' .github
       - name: Run optional step if given
         if: inputs.optional-run != ''