diff --git a/src/client/actions/ActionsManager.js b/src/client/actions/ActionsManager.js
index 35c0e5a..3c8e2d5 100644
--- a/src/client/actions/ActionsManager.js
+++ b/src/client/actions/ActionsManager.js
@@ -4,6 +4,7 @@ class ActionsManager {
   constructor(client) {
     this.client = client;
 
+    this.register(require('./ApplicationCommandPermissionsUpdate'));
     this.register(require('./AutoModerationActionExecution'));
     this.register(require('./AutoModerationRuleCreate'));
     this.register(require('./AutoModerationRuleDelete'));
diff --git a/src/client/actions/ApplicationCommandPermissionsUpdate.js b/src/client/actions/ApplicationCommandPermissionsUpdate.js
new file mode 100644
index 00000000..0aa518c
--- /dev/null
+++ b/src/client/actions/ApplicationCommandPermissionsUpdate.js
@@ -0,0 +1,34 @@
+'use strict';
+
+const Action = require('./Action');
+const { Events } = require('../../util/Constants');
+
+/**
+ * The data received in the {@link Client#event:applicationCommandPermissionsUpdate} event
+ * @typedef {Object} ApplicationCommandPermissionsUpdateData
+ * @property {Snowflake} id The id of the command or global entity that was updated
+ * @property {Snowflake} guildId The id of the guild in which permissions were updated
+ * @property {Snowflake} applicationId The id of the application that owns the command or entity being updated
+ * @property {ApplicationCommandPermissions[]} permissions The updated permissions
+ */
+
+class ApplicationCommandPermissionsUpdateAction extends Action {
+  handle(data) {
+    const client = this.client;
+    /**
+     * Emitted whenever permissions for an application command in a guild were updated.
+     * <warn>This includes permission updates for other applications in addition to the logged in client,
+     * check `data.applicationId` to verify which application the update is for</warn>
+     * @event Client#applicationCommandPermissionsUpdate
+     * @param {ApplicationCommandPermissionsUpdateData} data The updated permissions
+     */
+    client.emit(Events.APPLICATION_COMMAND_PERMISSIONS_UPDATE, {
+      permissions: data.permissions,
+      id: data.id,
+      guildId: data.guild_id,
+      applicationId: data.application_id,
+    });
+  }
+}
+
+module.exports = ApplicationCommandPermissionsUpdateAction;
diff --git a/src/client/websocket/handlers/APPLICATION_COMMAND_PERMISSIONS_UPDATE.js b/src/client/websocket/handlers/APPLICATION_COMMAND_PERMISSIONS_UPDATE.js
new file mode 100644
index 00000000..73d4ec4
--- /dev/null
+++ b/src/client/websocket/handlers/APPLICATION_COMMAND_PERMISSIONS_UPDATE.js
@@ -0,0 +1,5 @@
+'use strict';
+
+module.exports = (client, packet) => {
+  client.actions.ApplicationCommandPermissionsUpdate.handle(packet.d);
+};
diff --git a/src/client/websocket/handlers/index.js b/src/client/websocket/handlers/index.js
index ebacf81..340dd12 100644
--- a/src/client/websocket/handlers/index.js
+++ b/src/client/websocket/handlers/index.js
@@ -10,6 +10,7 @@ const handlers = Object.fromEntries([
   ['APPLICATION_COMMAND_CREATE', require('./APPLICATION_COMMAND_CREATE')],
   ['APPLICATION_COMMAND_DELETE', require('./APPLICATION_COMMAND_DELETE')],
   ['APPLICATION_COMMAND_UPDATE', require('./APPLICATION_COMMAND_UPDATE')],
+  ['APPLICATION_COMMAND_PERMISSIONS_UPDATE', require('./APPLICATION_COMMAND_PERMISSIONS_UPDATE')],
   ['AUTO_MODERATION_ACTION_EXECUTION', require('./AUTO_MODERATION_ACTION_EXECUTION')],
   ['AUTO_MODERATION_RULE_CREATE', require('./AUTO_MODERATION_RULE_CREATE')],
   ['AUTO_MODERATION_RULE_DELETE', require('./AUTO_MODERATION_RULE_DELETE')],
diff --git a/src/structures/GuildAuditLogs.js b/src/structures/GuildAuditLogs.js
index dd52bab..8092aa7 100644
--- a/src/structures/GuildAuditLogs.js
+++ b/src/structures/GuildAuditLogs.js
@@ -1,6 +1,7 @@
 'use strict';
 
 const { Collection } = require('@discordjs/collection');
+const ApplicationCommand = require('./ApplicationCommand');
 const AutoModerationRule = require('./AutoModerationRule');
 const { GuildScheduledEvent } = require('./GuildScheduledEvent');
 const Integration = require('./Integration');
@@ -27,6 +28,7 @@ const Util = require('../util/Util');
  * * STICKER
  * * THREAD
  * * GUILD_SCHEDULED_EVENT
+ * * APPLICATION_COMMAND
  * * AUTO_MODERATION
  * @typedef {string} AuditLogTargetType
  */
@@ -51,6 +53,7 @@ const Targets = {
   STAGE_INSTANCE: 'STAGE_INSTANCE',
   STICKER: 'STICKER',
   THREAD: 'THREAD',
+  APPLICATION_COMMAND: 'APPLICATION_COMMAND',
   AUTO_MODERATION: 'AUTO_MODERATION',
   UNKNOWN: 'UNKNOWN',
 };
@@ -105,6 +108,7 @@ const Targets = {
  * * THREAD_CREATE: 110
  * * THREAD_UPDATE: 111
  * * THREAD_DELETE: 112
+ * * APPLICATION_COMMAND_PERMISSION_UPDATE: 121
  * * AUTO_MODERATION_RULE_CREATE: 140
  * * AUTO_MODERATION_RULE_UPDATE: 141
  * * AUTO_MODERATION_RULE_DELETE: 142
@@ -169,6 +173,7 @@ const Actions = {
   THREAD_CREATE: 110,
   THREAD_UPDATE: 111,
   THREAD_DELETE: 112,
+  APPLICATION_COMMAND_PERMISSION_UPDATE: 121,
   AUTO_MODERATION_RULE_CREATE: 140,
   AUTO_MODERATION_RULE_UPDATE: 141,
   AUTO_MODERATION_RULE_DELETE: 142,
@@ -208,6 +213,18 @@ class GuildAuditLogs {
       }
     }
 
+    /**
+     * Cached application commands, includes application commands from other applications
+     * @type {Collection<Snowflake, ApplicationCommand>}
+     * @private
+     */
+    this.applicationCommands = new Collection();
+    if (data.application_commands) {
+      for (const command of data.application_commands) {
+        this.applicationCommands.set(command.id, new ApplicationCommand(guild.client, command, guild));
+      }
+    }
+
     /**
      * Cached auto moderation rules.
      * @type {Collection<Snowflake, AutoModerationRule>}
@@ -255,11 +272,12 @@ class GuildAuditLogs {
    * * A sticker
    * * A guild scheduled event
    * * A thread
+   * * An application command
    * * An auto moderation rule
    * * An object with an id key if target was deleted
    * * An object where the keys represent either the new value or the old value
    * @typedef {?(Object|Guild|Channel|User|Role|Invite|Webhook|GuildEmoji|Message|Integration|StageInstance|Sticker|
-   * GuildScheduledEvent|AutoModerationRule)} AuditLogEntryTarget
+   * GuildScheduledEvent|ApplicationCommand|AutoModerationRule)} AuditLogEntryTarget
    */
 
   /**
@@ -281,6 +299,7 @@ class GuildAuditLogs {
     if (target < 100) return Targets.STICKER;
     if (target < 110) return Targets.GUILD_SCHEDULED_EVENT;
     if (target < 120) return Targets.THREAD;
+    if (target < 130) return Targets.APPLICATION_COMMAND;
     if (target >= 140 && target < 150) return Targets.AUTO_MODERATION;
     return Targets.UNKNOWN;
   }
@@ -366,6 +385,7 @@ class GuildAuditLogs {
         Actions.STICKER_UPDATE,
         Actions.GUILD_SCHEDULED_EVENT_UPDATE,
         Actions.THREAD_UPDATE,
+        Actions.APPLICATION_COMMAND_PERMISSION_UPDATE,
         Actions.AUTO_MODERATION_RULE_UPDATE,
       ].includes(action)
     ) {
@@ -514,6 +534,12 @@ class GuildAuditLogsEntry {
         };
         break;
 
+      case Actions.APPLICATION_COMMAND_PERMISSION_UPDATE:
+        this.extra = {
+          applicationId: data.options.application_id,
+        };
+        break;
+
       case Actions.AUTO_MODERATION_BLOCK_MESSAGE:
       case Actions.AUTO_MODERATION_FLAG_TO_CHANNEL:
       case Actions.AUTO_MODERATION_USER_COMMUNICATION_DISABLED:
@@ -656,6 +682,8 @@ class GuildAuditLogsEntry {
             { id: data.target_id, guild_id: guild.id },
           ),
         );
+    } else if (targetType === Targets.APPLICATION_COMMAND) {
+      this.target = logs?.applicationCommands.get(data.target_id) ?? { id: data.target_id };
     } else if (targetType === Targets.AUTO_MODERATION) {
       this.target =
         guild.autoModerationRules.cache.get(data.target_id) ??
diff --git a/src/structures/MessageSelectMenu.js b/src/structures/MessageSelectMenu.js
index 91a6b98..bc2b42e 100644
--- a/src/structures/MessageSelectMenu.js
+++ b/src/structures/MessageSelectMenu.js
@@ -127,7 +127,7 @@ class MessageSelectMenu extends BaseMessageComponent {
    */
   addChannelTypes(...channelTypes) {
     if (!channelTypes.every(channelType => ChannelTypes[channelType])) {
-      throw new TypeError('INVALID_TYPE', 'channelTypes', 'Array<ChannelType>');
+      throw new TypeError('INVALID_TYPE', 'channelTypes', 'Rest<ChannelTypes[]>');
     }
     this.channelTypes.push(
       ...channelTypes.map(channelType => (typeof channelType === 'string' ? channelType : ChannelTypes[channelType])),
@@ -142,7 +142,7 @@ class MessageSelectMenu extends BaseMessageComponent {
    */
   setChannelTypes(...channelTypes) {
     if (!channelTypes.every(channelType => ChannelTypes[channelType])) {
-      throw new TypeError('INVALID_TYPE', 'channelTypes', 'Array<ChannelType>');
+      throw new TypeError('INVALID_TYPE', 'channelTypes', 'Rest<ChannelTypes[]>');
     }
     this.channelTypes = channelTypes.map(channelType =>
       typeof channelType === 'string' ? channelType : ChannelTypes[channelType],
diff --git a/src/util/Constants.js b/src/util/Constants.js
index 84742df..d51508a 100644
--- a/src/util/Constants.js
+++ b/src/util/Constants.js
@@ -333,6 +333,7 @@ exports.Opcodes = {
  * * APPLICATION_COMMAND_CREATE: applicationCommandCreate (deprecated)
  * * APPLICATION_COMMAND_DELETE: applicationCommandDelete (deprecated)
  * * APPLICATION_COMMAND_UPDATE: applicationCommandUpdate (deprecated)
+ * * APPLICATION_COMMAND_PERMISSIONS_UPDATE: applicationCommandPermissionsUpdate
  * * AUTO_MODERATION_ACTION_EXECUTION: autoModerationActionExecution
  * * AUTO_MODERATION_RULE_CREATE: autoModerationRuleCreate
  * * AUTO_MODERATION_RULE_DELETE: autoModerationRuleDelete
@@ -423,6 +424,7 @@ exports.Events = {
   APPLICATION_COMMAND_CREATE: 'applicationCommandCreate',
   APPLICATION_COMMAND_DELETE: 'applicationCommandDelete',
   APPLICATION_COMMAND_UPDATE: 'applicationCommandUpdate',
+  APPLICATION_COMMAND_PERMISSIONS_UPDATE: 'applicationCommandPermissionsUpdate',
   AUTO_MODERATION_ACTION_EXECUTION: 'autoModerationActionExecution',
   AUTO_MODERATION_RULE_CREATE: 'autoModerationRuleCreate',
   AUTO_MODERATION_RULE_DELETE: 'autoModerationRuleDelete',
@@ -555,6 +557,7 @@ exports.PartialTypes = keyMirror(['USER', 'CHANNEL', 'GUILD_MEMBER', 'MESSAGE',
  * * APPLICATION_COMMAND_CREATE (deprecated)
  * * APPLICATION_COMMAND_DELETE (deprecated)
  * * APPLICATION_COMMAND_UPDATE (deprecated)
+ * * APPLICATION_COMMAND_PERMISSIONS_UPDATE
  * * AUTO_MODERATION_ACTION_EXECUTION
  * * AUTO_MODERATION_RULE_CREATE
  * * AUTO_MODERATION_RULE_DELETE
@@ -620,6 +623,7 @@ exports.WSEvents = keyMirror([
   'APPLICATION_COMMAND_CREATE',
   'APPLICATION_COMMAND_DELETE',
   'APPLICATION_COMMAND_UPDATE',
+  'APPLICATION_COMMAND_PERMISSIONS_UPDATE',
   'AUTO_MODERATION_ACTION_EXECUTION',
   'AUTO_MODERATION_RULE_CREATE',
   'AUTO_MODERATION_RULE_DELETE',
diff --git a/typings/index.d.ts b/typings/index.d.ts
index d251d4e..cd5126a 100644
--- a/typings/index.d.ts
+++ b/typings/index.d.ts
@@ -4572,6 +4572,7 @@ export interface ClientEvents extends BaseClientEvents {
   applicationCommandDelete: [command: ApplicationCommand];
   /** @deprecated See [this issue](https://github.com/discord/discord-api-docs/issues/3690) for more information. */
   applicationCommandUpdate: [oldCommand: ApplicationCommand | null, newCommand: ApplicationCommand];
+  applicationCommandPermissionsUpdate: [data: ApplicationCommandPermissionsUpdateData];
   autoModerationActionExecution: [autoModerationActionExecution: AutoModerationActionExecution];
   autoModerationRuleCreate: [autoModerationRule: AutoModerationRule];
   autoModerationRuleDelete: [autoModerationRule: AutoModerationRule];
@@ -4698,6 +4699,7 @@ export interface ConstantsEvents {
   APPLICATION_COMMAND_DELETE: 'applicationCommandDelete';
   /** @deprecated See [this issue](https://github.com/discord/discord-api-docs/issues/3690) for more information. */
   APPLICATION_COMMAND_UPDATE: 'applicationCommandUpdate';
+  APPLICATION_COMMAND_PERMISSIONS_UPDATE: 'applicationCommandPermissionsUpdate';
   CALL_CREATE: 'callCreate';
   CALL_DELETE: 'callDelete';
   CALL_UPDATE: 'callUpdate';
@@ -5201,6 +5203,13 @@ export interface ApplicationCommandPermissionData {
   permission: boolean;
 }
 
+export interface ApplicationCommandPermissionsUpdateData {
+  permissions: ApplicationCommandPermissions;
+  id: Snowflake;
+  guildId: Snowflake;
+  applicationId: Snowflake;
+}
+
 export interface ApplicationCommandPermissions extends ApplicationCommandPermissionData {
   type: ApplicationCommandPermissionType;
 }
@@ -5935,6 +5944,7 @@ interface GuildAuditLogsTypes {
   THREAD_CREATE: ['THREAD', 'CREATE'];
   THREAD_UPDATE: ['THREAD', 'UPDATE'];
   THREAD_DELETE: ['THREAD', 'DELETE'];
+  APPLICATION_COMMAND_PERMISSION_UPDATE: ['APPLICATION_COMMAND_PERMISSION', 'UPDATE'];
   AUTO_MODERATION_RULE_CREATE: ['AUTO_MODERATION', 'CREATE'];
   AUTO_MODERATION_RULE_UPDATE: ['AUTO_MODERATION', 'UPDATE'];
   AUTO_MODERATION_RULE_DELETE: ['AUTO_MODERATION', 'DELETE'];
@@ -5991,6 +6001,7 @@ export interface GuildAuditLogsIds {
   110: 'THREAD_CREATE';
   111: 'THREAD_UPDATE';
   112: 'THREAD_DELETE';
+  121: 'APPLICATION_COMMAND_PERMISSION_UPDATE';
   140: 'AUTO_MODERATION_RULE_CREATE';
   141: 'AUTO_MODERATION_RULE_UPDATE';
   142: 'AUTO_MODERATION_RULE_DELETE';
@@ -6031,6 +6042,9 @@ export interface GuildAuditLogsEntryExtraField {
   STAGE_INSTANCE_CREATE: StageChannel | { id: Snowflake };
   STAGE_INSTANCE_DELETE: StageChannel | { id: Snowflake };
   STAGE_INSTANCE_UPDATE: StageChannel | { id: Snowflake };
+  APPLICATION_COMMAND_PERMISSION_UPDATE: {
+    applicationId: Snowflake;
+  };
   AUTO_MODERATION_BLOCK_MESSAGE: {
     autoModerationRuleName: string;
     autoModerationRuleTriggerType: AutoModerationRuleTriggerType;
@@ -6057,6 +6071,7 @@ export interface GuildAuditLogsEntryTargetField<TActionType extends GuildAuditLo
   STAGE_INSTANCE: StageInstance;
   STICKER: Sticker;
   GUILD_SCHEDULED_EVENT: GuildScheduledEvent;
+  APPLICATION_COMMAND: ApplicationCommand | { id: Snowflake };
   AUTO_MODERATION: AutoModerationRule;
 }
 
@@ -7323,6 +7338,7 @@ export type WSEventType =
   | 'APPLICATION_COMMAND_CREATE'
   | 'APPLICATION_COMMAND_DELETE'
   | 'APPLICATION_COMMAND_UPDATE'
+  | 'APPLICATION_COMMAND_PERMISSIONS_UPDATE'
   | 'AUTO_MODERATION_ACTION_EXECUTION'
   | 'AUTO_MODERATION_RULE_CREATE'
   | 'AUTO_MODERATION_RULE_DELETE'