diff --git a/src/rpcclient/rpcclient/darwin/common.py b/src/rpcclient/rpcclient/darwin/common.py
index 8e6d22a..747f6ad 100644
--- a/src/rpcclient/rpcclient/darwin/common.py
+++ b/src/rpcclient/rpcclient/darwin/common.py
@@ -2,4 +2,4 @@
 from typing import Any, Union
 
 CfSerializable = Union[
-    tuple[str, Any], list, tuple[Any, ...], str, bool, float, bytes, datetime, None]
+    dict[str, Any], list, tuple[Any, ...], str, bool, float, bytes, datetime, None]