diff --git a/.github/workflows/merge_flake_lock_update.yml b/.github/workflows/merge_flake_lock_update.yml
index de41b22..83c5d57 100644
--- a/.github/workflows/merge_flake_lock_update.yml
+++ b/.github/workflows/merge_flake_lock_update.yml
@@ -21,7 +21,7 @@ jobs:
           pr_number=$(gh pr list --state open --author RichieCahill --label flake_lock_update --json number --jq '.[0].number')
           echo "pr_number=$pr_number" >> $GITHUB_ENV
           if [ -n "$pr_number" ]; then
-            gh pr merge "$pr_number" --auto
+            gh pr merge "$pr_number" --rebase
           else
             echo "No open PR found with label flake_lock_update"
           fi