diff --git a/CHANGELOG.md b/CHANGELOG.md
index be621e1ebd18..8c5f05dbe5c2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -26,7 +26,7 @@
 - Fix: カスタム絵文字の画像読み込みに失敗した際はテキストではなくダミー画像を表示 #13487
 
 ### Server
--
+- Enhance: エンドポイント`antennas/update`の必須項目を`antennaId`のみに
 
 ## 2024.3.0
 
diff --git a/packages/backend/src/server/api/endpoints/antennas/update.ts b/packages/backend/src/server/api/endpoints/antennas/update.ts
index 459729f61f2e..76a34924a0f0 100644
--- a/packages/backend/src/server/api/endpoints/antennas/update.ts
+++ b/packages/backend/src/server/api/endpoints/antennas/update.ts
@@ -67,7 +67,7 @@ export const paramDef = {
 		withFile: { type: 'boolean' },
 		notify: { type: 'boolean' },
 	},
-	required: ['antennaId', 'name', 'src', 'keywords', 'excludeKeywords', 'users', 'caseSensitive', 'withReplies', 'withFile', 'notify'],
+	required: ['antennaId'],
 } as const;
 
 @Injectable()
@@ -83,8 +83,10 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private globalEventService: GlobalEventService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
-			if (ps.keywords.flat().every(x => x === '') && ps.excludeKeywords.flat().every(x => x === '')) {
-				throw new Error('either keywords or excludeKeywords is required.');
+			if (ps.keywords && ps.excludeKeywords) {
+				if (ps.keywords.flat().every(x => x === '') && ps.excludeKeywords.flat().every(x => x === '')) {
+					throw new Error('either keywords or excludeKeywords is required.');
+				}
 			}
 			// Fetch the antenna
 			const antenna = await this.antennasRepository.findOneBy({
@@ -98,7 +100,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 			let userList;
 
-			if (ps.src === 'list' && ps.userListId) {
+			if ((ps.src === 'list' || antenna.src === 'list') && ps.userListId) {
 				userList = await this.userListsRepository.findOneBy({
 					id: ps.userListId,
 					userId: me.id,
@@ -112,7 +114,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			await this.antennasRepository.update(antenna.id, {
 				name: ps.name,
 				src: ps.src,
-				userListId: userList ? userList.id : null,
+				userListId: ps.userListId !== undefined ? userList ? userList.id : null : undefined,
 				keywords: ps.keywords,
 				excludeKeywords: ps.excludeKeywords,
 				users: ps.users,
diff --git a/packages/misskey-js/src/autogen/types.ts b/packages/misskey-js/src/autogen/types.ts
index 41c3f5013568..be3e86bd7886 100644
--- a/packages/misskey-js/src/autogen/types.ts
+++ b/packages/misskey-js/src/autogen/types.ts
@@ -9925,19 +9925,19 @@ export type operations = {
         'application/json': {
           /** Format: misskey:id */
           antennaId: string;
-          name: string;
+          name?: string;
           /** @enum {string} */
-          src: 'home' | 'all' | 'users' | 'list' | 'users_blacklist';
+          src?: 'home' | 'all' | 'users' | 'list' | 'users_blacklist';
           /** Format: misskey:id */
           userListId?: string | null;
-          keywords: string[][];
-          excludeKeywords: string[][];
-          users: string[];
-          caseSensitive: boolean;
+          keywords?: string[][];
+          excludeKeywords?: string[][];
+          users?: string[];
+          caseSensitive?: boolean;
           localOnly?: boolean;
-          withReplies: boolean;
-          withFile: boolean;
-          notify: boolean;
+          withReplies?: boolean;
+          withFile?: boolean;
+          notify?: boolean;
         };
       };
     };