diff --git a/cookiecutter.json b/cookiecutter.json
index e147a53..c629ec8 100644
--- a/cookiecutter.json
+++ b/cookiecutter.json
@@ -7,6 +7,7 @@
     "org_name": "com.flet",
     "company_name": "Your Company",
     "copyright": "Copyright (c) 2023 Your Company",
+    "flutter": null,
     "sep": "/",
     "kotlin_dir": "{{ cookiecutter.org_name.replace('.', cookiecutter.sep) }}{{ cookiecutter.sep }}{{ cookiecutter.project_name }}{{ cookiecutter.sep }}",
     "hide_loading_animation": true,
diff --git a/{{cookiecutter.out_dir}}/lib/main.dart b/{{cookiecutter.out_dir}}/lib/main.dart
index cf61a02..21095ce 100644
--- a/{{cookiecutter.out_dir}}/lib/main.dart
+++ b/{{cookiecutter.out_dir}}/lib/main.dart
@@ -9,6 +9,10 @@ import 'package:path/path.dart' as path;
 import 'package:serious_python/serious_python.dart';
 import 'package:url_strategy/url_strategy.dart';
 
+{% for dep in cookiecutter.flutter.dependencies %}
+import 'package:{{ dep }}/{{ dep }}.dart' as {{ dep }};
+{% endfor %}
+
 const bool isProduction = bool.fromEnvironment('dart.vm.product');
 
 const assetPath = "app/app.zip";
@@ -19,6 +23,12 @@ final hideLoadingPage =
 const outLogFilename = "out.log";
 const errorExitCode = 100;
 
+var createControlFactories = [
+{% for dep in cookiecutter.flutter.dependencies %}
+{{ dep }}.createControl,
+{% endfor %}
+];
+
 const pythonScript = """
 import certifi, os, runpy, socket, sys, traceback
 
@@ -79,6 +89,10 @@ void main() async {
     debugPrint = (String? message, {int? wrapWidth}) => null;
   }
 
+  {% for dep in cookiecutter.flutter.dependencies %}
+  {{ dep }}.ensureInitialized();
+  {% endfor %}
+
   runApp(FutureBuilder(
       future: prepareApp(),
       builder: (BuildContext context, AsyncSnapshot snapshot) {
diff --git a/{{cookiecutter.out_dir}}/pubspec.yaml b/{{cookiecutter.out_dir}}/pubspec.yaml
index 95094c7..6e8deab 100644
--- a/{{cookiecutter.out_dir}}/pubspec.yaml
+++ b/{{cookiecutter.out_dir}}/pubspec.yaml
@@ -18,7 +18,7 @@ dependencies:
   #     path: src/serious_python
   #     ref: 'd059aef'
 
-  flet: ^0.19.0
+  flet: ^0.20.0
   # flet:
   #   git:
   #     url: https://github.com/flet-dev/flet.git
diff --git a/{{cookiecutter.out_dir}}/web/python-worker.js b/{{cookiecutter.out_dir}}/web/python-worker.js
index 130690b..7e4e4eb 100644
--- a/{{cookiecutter.out_dir}}/web/python-worker.js
+++ b/{{cookiecutter.out_dir}}/web/python-worker.js
@@ -1,4 +1,4 @@
-importScripts("https://cdn.jsdelivr.net/pyodide/v0.24.1/full/pyodide.js");
+importScripts("https://cdn.jsdelivr.net/pyodide/v0.25.0/full/pyodide.js");
 
 self.pythonModuleName = null;
 self.initialized = false;