diff --git a/flutter_app/lib/services/secure_storage_service.dart b/flutter_app/lib/services/secure_storage_service.dart
index 75d400c..6de1231 100644
--- a/flutter_app/lib/services/secure_storage_service.dart
+++ b/flutter_app/lib/services/secure_storage_service.dart
@@ -22,7 +22,7 @@ class SecureStorageService {
     synchronizable: false,
   );
 
-  final _storage = FlutterSecureStorage(
+  final _storage = const FlutterSecureStorage(
     aOptions: _androidOptions,
     iOptions: _iosOptions,
   );