diff --git a/src/structures/MessageAttachment.js b/src/structures/MessageAttachment.js
index 5c046bfb6e18..513c136d98d5 100644
--- a/src/structures/MessageAttachment.js
+++ b/src/structures/MessageAttachment.js
@@ -103,6 +103,12 @@ class MessageAttachment {
      * @type {?string}
      */
     this.contentType = data.content_type ?? null;
+
+    /**
+     * Whether this attachment is ephemeral
+     * @type {boolean}
+     */
+    this.ephemeral = data.ephemeral ?? false;
   }
 
   /**
diff --git a/typings/index.d.ts b/typings/index.d.ts
index 508991550e48..75d46beb5dec 100644
--- a/typings/index.d.ts
+++ b/typings/index.d.ts
@@ -1267,6 +1267,7 @@ export class MessageAttachment {
 
   public attachment: BufferResolvable | Stream;
   public contentType: string | null;
+  public ephemeral: boolean;
   public height: number | null;
   public id: Snowflake;
   public name: string | null;