diff --git a/docspell/postgres/statefulset.yaml b/docspell/postgres/statefulset.yaml
index e0a5201..5501776 100644
--- a/docspell/postgres/statefulset.yaml
+++ b/docspell/postgres/statefulset.yaml
@@ -15,6 +15,8 @@ spec:
     metadata:
       labels:
         app: postgres
+      annotations:
+        k8up.syn.tools/backupcommand: /bin/bash -c 'PGPASSWORD=${POSTGRES_PASSWORD} pg_dump -U ${POSTGRES_USER} -Fc ${POSTGRES_DB}'
     spec:
       terminationGracePeriodSeconds: 10
       containers: