diff --git a/src/server/web/index.ts b/src/server/web/index.ts
index 7291f8a0a5..452e36fe95 100644
--- a/src/server/web/index.ts
+++ b/src/server/web/index.ts
@@ -122,8 +122,7 @@ router.get('/notes/:note', async ctx => {
 router.get('*', async ctx => {
 	await send(ctx, `app/base.html`, {
 		root: client,
-		maxage: ms('3 days'),
-		immutable: true
+		maxage: ms('5m')
 	});
 });