diff --git a/elixir/apps/domain/lib/domain/auth/adapters/google_workspace/api_client.ex b/elixir/apps/domain/lib/domain/auth/adapters/google_workspace/api_client.ex
index aa5bd0350..066d856ca 100644
--- a/elixir/apps/domain/lib/domain/auth/adapters/google_workspace/api_client.ex
+++ b/elixir/apps/domain/lib/domain/auth/adapters/google_workspace/api_client.ex
@@ -90,7 +90,9 @@ defmodule Domain.Auth.Adapters.GoogleWorkspace.APIClient do
       Domain.Config.fetch_env!(:domain, __MODULE__)
       |> Keyword.fetch!(:endpoint)
 
+    params = %{"includeDerivedMembership" => true}
     uri = URI.parse("#{endpoint}/admin/directory/v1/groups/#{group_id}/members")
+    uri = URI.append_query(uri, URI.encode_query(params))
 
     with {:ok, members} <- list_all(uri, api_token, "members") do
       members =
diff --git a/elixir/apps/domain/test/domain/auth/adapters/google_workspace/api_client_test.exs b/elixir/apps/domain/test/domain/auth/adapters/google_workspace/api_client_test.exs
index 9bf8161c4..fa8a96bb9 100644
--- a/elixir/apps/domain/test/domain/auth/adapters/google_workspace/api_client_test.exs
+++ b/elixir/apps/domain/test/domain/auth/adapters/google_workspace/api_client_test.exs
@@ -141,7 +141,7 @@ defmodule Domain.Auth.Adapters.GoogleWorkspace.APIClientTest do
       end
 
       assert_receive {:bypass_request, conn}
-      assert conn.params == %{}
+      assert conn.params == %{"includeDerivedMembership" => "true"}
       assert Plug.Conn.get_req_header(conn, "authorization") == ["Bearer #{api_token}"]
     end