diff --git a/lib/models/code.dart b/lib/models/code.dart
index 0c5f9d4..1855618 100644
--- a/lib/models/code.dart
+++ b/lib/models/code.dart
@@ -18,8 +18,8 @@ class CodeModel with ChangeNotifier {
     'JetBrains Mono',
   ];
 
-  String _theme = 'github-gist';
-  String _themeDark = 'vs2015';
+  String _theme = 'tomorrow';
+  String _themeDark = 'tomorrow-night';
   int _fontSize = 14;
   String _fontFamily = 'System';