diff --git a/packages/misskey-js/src/schemas/channel.ts b/packages/misskey-js/src/schemas/channel.ts
index cb42c782b..fd61a70c0 100644
--- a/packages/misskey-js/src/schemas/channel.ts
+++ b/packages/misskey-js/src/schemas/channel.ts
@@ -30,6 +30,10 @@ export const packedChannelSchema = {
 			format: 'url',
 			nullable: true, optional: false,
 		},
+		isArchived: {
+			type: 'boolean',
+			optional: false, nullable: false,
+		},
 		notesCount: {
 			type: 'number',
 			nullable: false, optional: false,