diff --git a/aprsd/packets/packet_list.py b/aprsd/packets/packet_list.py
index c07c72c..347cd51 100644
--- a/aprsd/packets/packet_list.py
+++ b/aprsd/packets/packet_list.py
@@ -1,4 +1,5 @@
-from collections import MutableMapping, OrderedDict
+from collections import OrderedDict
+from collections.abc import MutableMapping
 import logging
 import threading