diff --git a/app/api/v1/admin/admin_users.py b/app/api/v1/admin/admin_users.py
index 422c0dbe..d014a914 100644
--- a/app/api/v1/admin/admin_users.py
+++ b/app/api/v1/admin/admin_users.py
@@ -59,6 +59,7 @@ class AdminUserResponse(BaseModel):
     platform_assignments: list[PlatformAssignmentResponse] = []
     created_at: datetime
     updated_at: datetime
+    last_login: Optional[datetime] = None
 
     class Config:
         from_attributes = True
@@ -126,6 +127,7 @@ def _build_admin_response(admin: User) -> AdminUserResponse:
         platform_assignments=assignments,
         created_at=admin.created_at,
         updated_at=admin.updated_at,
+        last_login=admin.last_login,
     )