diff --git a/src/wuttamess/util.py b/src/wuttamess/util.py
index b9aa1b3..a64ab1f 100644
--- a/src/wuttamess/util.py
+++ b/src/wuttamess/util.py
@@ -24,8 +24,8 @@
 Misc. Utilities
 """
 
-from collections.abc import Mapping
 from pathlib import Path
+from typing import Mapping
 from typing_extensions import Any
 
 from mako.template import Template