diff --git a/migrations/000058_units_v1path_id_not_null.down.sql b/migrations/000058_units_v1path_id_not_null.down.sql
new file mode 100644
index 0000000..67ef12a
--- /dev/null
+++ b/migrations/000058_units_v1path_id_not_null.down.sql
@@ -0,0 +1,9 @@
+-- Copyright 2021 The Go Authors. All rights reserved.
+-- Use of this source code is governed by a BSD-style
+-- license that can be found in the LICENSE file.
+
+BEGIN;
+
+ALTER TABLE units ALTER COLUMN v1path_id DROP NOT NULL;
+
+END;
diff --git a/migrations/000058_units_v1path_id_not_null.up.sql b/migrations/000058_units_v1path_id_not_null.up.sql
new file mode 100644
index 0000000..aa1fcae
--- /dev/null
+++ b/migrations/000058_units_v1path_id_not_null.up.sql
@@ -0,0 +1,9 @@
+-- Copyright 2021 The Go Authors. All rights reserved.
+-- Use of this source code is governed by a BSD-style
+-- license that can be found in the LICENSE file.
+
+BEGIN;
+
+ALTER TABLE units ALTER COLUMN v1path_id SET NOT NULL;
+
+END;