diff --git a/lib/widgets/member_list.dart b/lib/widgets/member_list.dart
index d910b97..46c56a8 100644
--- a/lib/widgets/member_list.dart
+++ b/lib/widgets/member_list.dart
@@ -143,8 +143,8 @@ class MemberList extends HookConsumerWidget {
                                   if (member.content
                                       case MembershipContent content) {
                                     showModalBottomSheet(
-                                      constraints: BoxConstraints.loose(
-                                        Size(
+                                      constraints: .loose(
+                                        .new(
                                           500,
                                           (context.size?.height ?? 1000) - 80,
                                         ),