diff --git a/sjsclient/base.py b/sjsclient/base.py
index 7d8a733..ecd3af6 100644
--- a/sjsclient/base.py
+++ b/sjsclient/base.py
@@ -21,7 +21,7 @@ def _create_resource(self, data):
         return self.resource_class(self, data)
 
 
-class Resource(collections.MutableMapping):
+class Resource(collections.abc.MutableMapping):
     base_path = None
 
     def __init__(self, manager, attrs=None):