diff --git a/doku2git.py b/doku2git.py
index 9a449e8..0d9e69e 100755
--- a/doku2git.py
+++ b/doku2git.py
@@ -2,7 +2,7 @@
 
 
 ###############################################################################
-from typing import List, Mapping, Iterable, Callable, Generator
+from typing import List, Dict, Iterable, Callable, Generator
 from operator import attrgetter
 
 import os.path
@@ -274,8 +274,8 @@ class Dokuwiki:
     editors. Either way it will never rewrite any data.
     """
 
-    users: Mapping[str, User]
-    media: Mapping[str, List[Change]]
+    users: Dict[str, User]
+    media: Dict[str, List[Change]]
     changes: List[Change]
 
     def _record_media(self, change):
@@ -298,7 +298,7 @@ class Dokuwiki:
         for k, v in self.media.items():
             v.sort(key=attrgetter('timestamp'), reverse=True)
 
-    def _find_users(self) -> Mapping[str, User]:
+    def _find_users(self) -> Dict[str, User]:
         """
         Parses the users.auth.php file to discover all listed users.
         :return: A mapping of login to User objects