diff --git a/src/fiber_package/groups/association.py b/src/fiber_package/groups/association.py
index 97c9753..d5fcea7 100644
--- a/src/fiber_package/groups/association.py
+++ b/src/fiber_package/groups/association.py
@@ -1,6 +1,6 @@
 from pydantic import BaseModel
 
-from fiber_package.util import EntityList
+from fiber_package.util import EntityList, GroupList
 
 class AssociationModel(BaseModel):
     full_name: str