diff --git a/lib/gateway/postcard_api.dart b/lib/gateway/postcard_api.dart
index 1211bfa06..30457eda5 100644
--- a/lib/gateway/postcard_api.dart
+++ b/lib/gateway/postcard_api.dart
@@ -4,6 +4,7 @@ import 'package:autonomy_flutter/screen/interactive_postcard/leaderboard/postcar
 import 'package:autonomy_flutter/screen/send_receive_postcard/receive_postcard_page.dart';
 import 'package:collection/collection.dart';
 import 'package:dio/dio.dart';
+import 'package:dio_smart_retry/dio_smart_retry.dart';
 import 'package:retrofit/retrofit.dart';
 
 import '../model/postcard_claim.dart';
diff --git a/lib/gateway/postcard_api.g.dart b/lib/gateway/postcard_api.g.dart
index 438cc7431..ebe1bc282 100644
--- a/lib/gateway/postcard_api.g.dart
+++ b/lib/gateway/postcard_api.g.dart
@@ -177,14 +177,14 @@ class _PostcardApi implements PostcardApi {
     final _data = FormData();
     _data.files.add(MapEntry(
       'image',
-      MultipartFile.fromFileSync(
+      MultipartFileRecreatable.fromFileSync(
         data.path,
         filename: data.path.split(Platform.pathSeparator).last,
       ),
     ));
     _data.files.add(MapEntry(
       'metadata',
-      MultipartFile.fromFileSync(
+      MultipartFileRecreatable.fromFileSync(
         metadata.path,
         filename: metadata.path.split(Platform.pathSeparator).last,
       ),