diff --git a/barker/alembic/versions/34fe3d061c5f_finish_import.py b/barker/alembic/versions/34fe3d061c5f_finish_import.py
index 4e901ee..293c870 100644
--- a/barker/alembic/versions/34fe3d061c5f_finish_import.py
+++ b/barker/alembic/versions/34fe3d061c5f_finish_import.py
@@ -12,6 +12,7 @@ from alembic import op
 # revision identifiers, used by Alembic.
 from sqlalchemy import column, func, select, table, text
 from sqlalchemy.dialects import postgresql
+from sqlalchemy.dialects.postgresql import insert as pg_insert
 
 
 revision = "34fe3d061c5f"
@@ -100,8 +101,8 @@ def upgrade():
     prod = table(
         "product_histories",
         column("id", postgresql.UUID(as_uuid=True)),
-        column("name", postgresql.UUID(as_uuid=True)),
-        column("units", postgresql.UUID(as_uuid=True)),
+        column("name", sa.Unicode(length=255)),
+        column("units", sa.Unicode(length=255)),
         column("valid_from", sa.Date()),
         column("valid_till", sa.Date()),
     )
@@ -133,6 +134,31 @@ def upgrade():
         (func.daterange(prod.c.valid_from, prod.c.valid_till, text("'[]'")), "&&"),
     )
     op.drop_constraint("uq_products_name", "product_histories", type_="unique")
+
+    r = table(
+        "roles",
+        column("id", postgresql.UUID(as_uuid=True)),
+        column("name", sa.Unicode(length=255)),
+    )
+    p = table(
+        "permissions",
+        column("id", postgresql.UUID(as_uuid=True)),
+        column("name", sa.Unicode(length=255)),
+    )
+    rp = table(
+        "role_permissions",
+        column("id", postgresql.UUID(as_uuid=True)),
+        column("permission_id", postgresql.UUID(as_uuid=True)),
+        column("role_id", postgresql.UUID(as_uuid=True)),
+    )
+    op.execute(
+        pg_insert(rp)
+        .from_select(
+            [rp.c.role_id, rp.c.permission_id],
+            select([select([func.distinct(r.c.id)]).where(r.c.name.ilike("Owner")).as_scalar(), p.c.id]),
+        )
+        .on_conflict_do_nothing(),
+    )
     # ### end Alembic commands ###