diff --git a/app/MindWork AI Studio/Chat/FileAttachmentType.cs b/app/MindWork AI Studio/Chat/FileAttachmentType.cs
index a4b0b2f5..11185e94 100644
--- a/app/MindWork AI Studio/Chat/FileAttachmentType.cs	
+++ b/app/MindWork AI Studio/Chat/FileAttachmentType.cs	
@@ -9,14 +9,19 @@ public enum FileAttachmentType
     /// Document file types, such as .pdf, .docx, .txt, etc.
     /// </summary>
     DOCUMENT,
-    
+
     /// <summary>
     /// All image file types, such as .jpg, .png, .gif, etc.
     /// </summary>
     IMAGE,
-    
+
     /// <summary>
     /// All audio file types, such as .mp3, .wav, .aac, etc.
     /// </summary>
     AUDIO,
+
+    /// <summary>
+    /// Forbidden file types that should not be attached, such as executables.
+    /// </summary>
+    FORBIDDEN,
 }
\ No newline at end of file