diff --git a/manage/cmd/migration/scripts/10_permissions.sql b/manage/cmd/migration/scripts/10_permissions.sql
new file mode 100644
index 0000000..61b8063
--- /dev/null
+++ b/manage/cmd/migration/scripts/10_permissions.sql
@@ -0,0 +1,3 @@
+-- channel_overwrites table already has allow and deny as bigints.
+alter table roles
+    alter column permissions type bigint;