diff --git a/db/knex_migrations/2025-06-14-0000-heartbeat-range-config.js b/db/knex_migrations/2025-06-14-0000-heartbeat-range-config.js
index 5a85a1a39..c944be6e1 100644
--- a/db/knex_migrations/2025-06-14-0000-heartbeat-range-config.js
+++ b/db/knex_migrations/2025-06-14-0000-heartbeat-range-config.js
@@ -1,6 +1,6 @@
 exports.up = function (knex) {
     return knex.schema.alterTable("status_page", function (table) {
-        table.integer("heartbeat_bar_days").notNullable().defaultTo(0);
+        table.smallint("heartbeat_bar_days").notNullable().defaultTo(0).checkBetween([0, 365]);
     });
 };