diff --git a/src/main/java/com/smartsheet/api/models/AttachmentType.java b/src/main/java/com/smartsheet/api/models/AttachmentType.java
index <HASH>..<HASH> 100644
--- a/src/main/java/com/smartsheet/api/models/AttachmentType.java
+++ b/src/main/java/com/smartsheet/api/models/AttachmentType.java
@@ -26,5 +26,5 @@ package com.smartsheet.api.models;
  * Represents the type of attachment.
  */
 public enum AttachmentType {
-	FILE, GOOGLE_DRIVE, LINK, BOX_COM;
+	FILE, GOOGLE_DRIVE, LINK, BOX_COM, DROPBOX;
 }
Added Dropbox as an AttachmentType