diff --git a/src/fiber_package/action/listrequest.py b/src/fiber_package/action/listrequest.py
index 2427a0c..6101a9e 100644
--- a/src/fiber_package/action/listrequest.py
+++ b/src/fiber_package/action/listrequest.py
@@ -1,6 +1,8 @@
 from pydantic import BaseModel
 
+from fiber_package.membership_tag import Membership
+
 class ListPeopleRequest(BaseModel):
     association_tag: str
     membership: Membership
-    query: str
\ No newline at end of file
+    query: str | None
\ No newline at end of file