diff --git a/CTFd/cache/__init__.py b/CTFd/cache/__init__.py
index 19d8047..9ea10e0 100644
--- a/CTFd/cache/__init__.py
+++ b/CTFd/cache/__init__.py
@@ -58,7 +58,19 @@ def clear_user_session(user_id):
     cache.delete_memoized(get_user_attrs, user_id=user_id)
 
 
+def clear_all_user_sessions():
+    from CTFd.utils.user import get_user_attrs
+
+    cache.delete_memoized(get_user_attrs)
+
+
 def clear_team_session(team_id):
     from CTFd.utils.user import get_team_attrs
 
     cache.delete_memoized(get_team_attrs, team_id=team_id)
+
+
+def clear_all_team_sessions():
+    from CTFd.utils.user import get_team_attrs
+
+    cache.delete_memoized(get_team_attrs)