diff --git a/syng/client.py b/syng/client.py
index 017c424..2ef30e4 100644
--- a/syng/client.py
+++ b/syng/client.py
@@ -12,6 +12,7 @@ be one of:
   - `files`
 """
 
+from __future__ import annotations
 import asyncio
 import datetime
 import logging