diff --git a/.github/workflows/deploy_mongo_to_pg.yml b/.github/workflows/deploy_mongo_to_pg.yml
index 06a0bd779..d22b70632 100644
--- a/.github/workflows/deploy_mongo_to_pg.yml
+++ b/.github/workflows/deploy_mongo_to_pg.yml
@@ -23,10 +23,11 @@ jobs:
   build-and-publish-image:
     if: github.event_name == 'workflow_dispatch' || startsWith(github.event.release.tag_name, 'v')
     name: Build and publish image
-    uses: alphagov/govuk-infrastructure/.github/workflows/build-and-push-multiarch-image.yml@main
+    uses: alphagov/govuk-infrastructure/.github/workflows/build-and-push-multiarch-image.yml@dj-maisy/allow-builds-with-custom-tags
     with:
       gitRef: ${{ inputs.gitRef || github.event.release.tag_name }}
-      imageName: publisher-on-postgres-branch
+      tagSuffix: -on-pg
+      imageName: publisher
     permissions:
       id-token: write
       contents: read