diff --git a/AutoUpdater.NET/DownloadUpdateDialog.cs b/AutoUpdater.NET/DownloadUpdateDialog.cs
index 55c25133..7879be11 100644
--- a/AutoUpdater.NET/DownloadUpdateDialog.cs
+++ b/AutoUpdater.NET/DownloadUpdateDialog.cs
@@ -125,7 +125,9 @@ private void WebClientOnDownloadFileCompleted(object sender, AsyncCompletedEvent
                 }
             }
 
-            string fileName = string.IsNullOrEmpty(contentDisposition?.FileName)
+            string fileName = !string.IsNullOrEmpty(_args.DownloadFileName) 
+                ? _args.DownloadFileName: 
+                string.IsNullOrEmpty(contentDisposition?.FileName)
                 ? Path.GetFileName(_webClient.ResponseUri.LocalPath)
                 : contentDisposition.FileName;
 
diff --git a/AutoUpdater.NET/UpdateInfoEventArgs.cs b/AutoUpdater.NET/UpdateInfoEventArgs.cs
index ba326437..aea4d5c8 100644
--- a/AutoUpdater.NET/UpdateInfoEventArgs.cs
+++ b/AutoUpdater.NET/UpdateInfoEventArgs.cs
@@ -18,6 +18,12 @@ public UpdateInfoEventArgs()
         Mandatory = new Mandatory();
     }
 
+    /// <summary>
+    ///     It will be prioritized if provided. Used in cases where the download URL does not contain a file name (e.g., Base64) or the header does not include Content-Disposition
+    /// </summary>
+    [XmlElement("filename")]
+    public string DownloadFileName { get; set; }
+
     /// <summary>
     ///     If new update is available then returns true otherwise false.
     /// </summary>