diff --git a/CHANGELOG_YOJO.md b/CHANGELOG_YOJO.md
index ec5fc0fe71..c77c9286fc 100644
--- a/CHANGELOG_YOJO.md
+++ b/CHANGELOG_YOJO.md
@@ -9,6 +9,7 @@
 
 ### Server
 - Fix: PersonのserchableByが正しく連合できていないのを修正[#556](https://github.com/yojo-art/cherrypick/pull/556)
+- Fix: SerchableByが未設定の時にプライバシーを更新できないことがある[#567](https://github.com/yojo-art/cherrypick/pull/567)
 - Enhance: `/users/${id}`に`Accept: application/ld+json`ではないリクエストが来たとき`/@${username}`にリダイレクトするように [#554](https://github.com/yojo-art/cherrypick/pull/554)
 
 ## 1.1.0
diff --git a/packages/backend/src/server/api/endpoints/i/update.ts b/packages/backend/src/server/api/endpoints/i/update.ts
index 9876fc39dc..32cae8cec5 100644
--- a/packages/backend/src/server/api/endpoints/i/update.ts
+++ b/packages/backend/src/server/api/endpoints/i/update.ts
@@ -189,7 +189,11 @@ export const paramDef = {
 		isLocked: { type: 'boolean' },
 		isExplorable: { type: 'boolean' },
 		isIndexable: { type: 'boolean' },
-		searchableBy: { type: 'string', enum: ['public', 'followersAndReacted', 'reactedOnly', 'private'] },
+		searchableBy: {
+			type: 'string',
+			enum: ['public', 'followersAndReacted', 'reactedOnly', 'private', null],
+			nullable: true,
+			description: '検索許可SearchableByの値を指定しますデフォルトはnull(isIndexableを参照)' },
 		hideOnlineStatus: { type: 'boolean' },
 		publicReactions: { type: 'boolean' },
 		carefulBot: { type: 'boolean' },
diff --git a/packages/cherrypick-js/src/autogen/types.ts b/packages/cherrypick-js/src/autogen/types.ts
index d708581b6b..4f0d34083e 100644
--- a/packages/cherrypick-js/src/autogen/types.ts
+++ b/packages/cherrypick-js/src/autogen/types.ts
@@ -20282,8 +20282,11 @@ export type operations = {
           isLocked?: boolean;
           isExplorable?: boolean;
           isIndexable?: boolean;
-          /** @enum {string} */
-          searchableBy?: 'public' | 'followersAndReacted' | 'reactedOnly' | 'private';
+          /**
+           * @description 検索許可SearchableByの値を指定しますデフォルトはnull(isIndexableを参照)
+           * @enum {string|null}
+           */
+          searchableBy?: 'public' | 'followersAndReacted' | 'reactedOnly' | 'private' | null;
           hideOnlineStatus?: boolean;
           publicReactions?: boolean;
           carefulBot?: boolean;