diff --git a/migrations/20260726032348_stashes_archive.js b/migrations/20260726032348_stashes_archive.js
new file mode 100644
index 00000000..5ef17d9a
--- /dev/null
+++ b/migrations/20260726032348_stashes_archive.js
@@ -0,0 +1,15 @@
+exports.up = async function(knex) {
+	await knex.schema.alterTable('stashes', (table) => {
+		table.boolean('archived')
+			.notNullable()
+			.defaultTo(false);
+
+		table.check('NOT ("primary" AND archived)', [], 'stashes_not_primary_and_archived');
+	});
+};
+
+exports.down = async function(knex) {
+	await knex.schema.alterTable('stashes', (table) => {
+		table.dropColumn('archived');
+	});
+};