diff --git a/tljh/config.py b/tljh/config.py
index ee0150f..ee1abdf 100644
--- a/tljh/config.py
+++ b/tljh/config.py
@@ -14,7 +14,7 @@ tljh-config show firstlevel.second_level
 
 import argparse
 import asyncio
-from collections import Sequence, Mapping
+from collections.abc import Sequence, Mapping
 from copy import deepcopy
 import os
 import re