diff --git a/.github/workflows/upgrade_downgrade_test_backups_e2e.yml b/.github/workflows/upgrade_downgrade_test_backups_e2e.yml
index 2fb813bc99a..83ea5af799f 100644
--- a/.github/workflows/upgrade_downgrade_test_backups_e2e.yml
+++ b/.github/workflows/upgrade_downgrade_test_backups_e2e.yml
@@ -63,7 +63,7 @@ jobs:
       if: steps.skip-workflow.outputs.skip-workflow == 'false'
       id: output-previous-release-ref
       run: |
-        previous_release_ref=$(./tools/get_previous_release.sh ${{github.base_ref}} ${{github.ref}})
+        previous_release_ref=$(./tools/get_previous_release_shopify.sh)
         echo $previous_release_ref
         echo "previous_release_ref=${previous_release_ref}" >> $GITHUB_OUTPUT