diff --git a/Sources/CrestLib/Operation.swift b/Sources/CrestLib/Operation.swift
index 20b7e81..862db74 100644
--- a/Sources/CrestLib/Operation.swift
+++ b/Sources/CrestLib/Operation.swift
@@ -9,8 +9,13 @@ import AsyncHTTPClient
 import Foundation
 import KSSFoundation
 import NIO
+import NIOFoundationCompat
 import NIOHTTP1
 
+#if canImport(FoundationXML)
+    import FoundationXML
+#endif
+
 
 public struct Operation {
     public let url: URL