diff --git a/packages/discord.js/typings/index.d.ts b/packages/discord.js/typings/index.d.ts
index 65f894503..8da3b22b6 100644
--- a/packages/discord.js/typings/index.d.ts
+++ b/packages/discord.js/typings/index.d.ts
@@ -810,6 +810,11 @@ export class CommandInteractionOptionResolver<Cached extends CacheType = CacheTy
   public getMember(name: string): NonNullable<CommandInteractionOption<Cached>['member']> | null;
   public getRole(name: string, required: true): NonNullable<CommandInteractionOption<Cached>['role']>;
   public getRole(name: string, required?: boolean): NonNullable<CommandInteractionOption<Cached>['role']> | null;
+  public getAttachment(name: string, required: true): NonNullable<CommandInteractionOption<Cached>['attachment']>;
+  public getAttachment(
+    name: string,
+    required?: boolean,
+  ): NonNullable<CommandInteractionOption<Cached>['attachment']> | null;
   public getMentionable(
     name: string,
     required: true,
@@ -3719,7 +3724,7 @@ export interface CommandInteractionOption<Cached extends CacheType = CacheType>
   member?: CacheTypeReducer<Cached, GuildMember, APIInteractionDataResolvedGuildMember>;
   channel?: CacheTypeReducer<Cached, GuildBasedChannel, APIInteractionDataResolvedChannel>;
   role?: CacheTypeReducer<Cached, Role, APIRole>;
-  attachment?: Collection<Snowflake, MessageAttachment>;
+  attachment?: MessageAttachment;
   message?: GuildCacheMessage<Cached>;
 }
 
diff --git a/packages/discord.js/typings/index.test-d.ts b/packages/discord.js/typings/index.test-d.ts
index db55b6284..2bfead7e6 100644
--- a/packages/discord.js/typings/index.test-d.ts
+++ b/packages/discord.js/typings/index.test-d.ts
@@ -1307,3 +1307,8 @@ const selectMenu = new SelectMenuComponent({
 new ActionRow({
   components: [selectMenu.toJSON(), button.toJSON()],
 });
+
+declare const chatInputInteraction: ChatInputCommandInteraction;
+
+expectType<MessageAttachment>(chatInputInteraction.options.getAttachment('attachment', true));
+expectType<MessageAttachment | null>(chatInputInteraction.options.getAttachment('attachment'));