diff --git a/nightly/sql/v1.7.3.diff.sql b/nightly/sql/v1.7.3.diff.sql
new file mode 100644
index 0000000..3e2f7eb
--- /dev/null
+++ b/nightly/sql/v1.7.3.diff.sql
@@ -0,0 +1,5 @@
+-- allow access to subtablemachine field for everyone
+GRANT SELECT (subtablemachine) ON OS_TABLES LIKE '%_permissions' TO OS_ROLES LIKE '%';
+
+-- implement identifiers
+ALTER TABLE os_tables ADD COLUMN identifiers TEXT DEFAULT NULL;