diff --git a/src/main/resources/db/migration/V71__kun_lesetilganger_for_datastream.sql b/src/main/resources/db/migration/V71__kun_lesetilganger_for_datastream.sql
new file mode 100644
index 0000000..e637c78
--- /dev/null
+++ b/src/main/resources/db/migration/V71__kun_lesetilganger_for_datastream.sql
@@ -0,0 +1,15 @@
+DO $$BEGIN
+    IF EXISTS (SELECT FROM pg_catalog.pg_roles WHERE rolname = 'bigquery_datastream')
+    THEN
+        REVOKE USAGE, UPDATE ON ALL SEQUENCES IN SCHEMA public FROM "bigquery_datastream";
+        REVOKE INSERT, REFERENCES, TRIGGER, TRUNCATE, DELETE ON ALL TABLES IN SCHEMA public FROM "bigquery_datastream";
+    END IF;
+END$$;
+
+DO $$ BEGIN
+    IF EXISTS (SELECT FROM pg_catalog.pg_roles WHERE rolname = 'bigquery_datastream')
+    THEN
+        ALTER DEFAULT PRIVILEGES FOR USER spaghet2 IN SCHEMA public GRANT SELECT ON SEQUENCES TO "bigquery_datastream";
+        ALTER DEFAULT PRIVILEGES FOR USER spaghet2 IN SCHEMA public GRANT SELECT ON TABLES TO "bigquery_datastream";
+    END IF;
+END $$;