diff --git a/android/app/build.gradle b/android/app/build.gradle
index 93069f7..718fead 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -51,7 +51,7 @@ android {
 
     defaultConfig {
         applicationId "cz.hernikplays.opencanteen"
-        minSdkVersion 18
+        minSdkVersion 19
         targetSdkVersion 33
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
diff --git a/android/build.gradle b/android/build.gradle
index 83ae220..69456e1 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -1,5 +1,5 @@
 buildscript {
-    ext.kotlin_version = '1.6.10'
+    ext.kotlin_version = '1.9.10'
     repositories {
         google()
         mavenCentral()
@@ -26,6 +26,6 @@ subprojects {
     project.evaluationDependsOn(':app')
 }
 
-task clean(type: Delete) {
+tasks.register("clean", Delete) {
     delete rootProject.buildDir
 }
diff --git a/lib/okna/nastaveni.dart b/lib/okna/nastaveni.dart
index 6d19ad6..ada6201 100644
--- a/lib/okna/nastaveni.dart
+++ b/lib/okna/nastaveni.dart
@@ -8,7 +8,6 @@ import 'package:flutter_native_timezone/flutter_native_timezone.dart';
 import 'package:opencanteen/pw/platformbutton.dart';
 import 'package:opencanteen/pw/platformdialog.dart';
 import 'package:opencanteen/pw/platformfield.dart';
-import 'package:opencanteen/pw/platformswitch.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:settings_ui/settings_ui.dart';
 import 'package:shared_preferences/shared_preferences.dart';
diff --git a/pubspec.lock b/pubspec.lock
index e161b38..20b1d66 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -372,50 +372,18 @@ packages:
     dependency: "direct main"
     description:
       name: package_info_plus
-      sha256: f62d7253edc197fe3c88d7c2ddab82d68f555e778d55390ccc3537eca8e8d637
+      sha256: "6ff267fcd9d48cb61c8df74a82680e8b82e940231bb5f68356672fde0397334a"
       url: "https://pub.dev"
     source: hosted
-    version: "1.4.3+1"
-  package_info_plus_linux:
-    dependency: transitive
-    description:
-      name: package_info_plus_linux
-      sha256: "04b575f44233d30edbb80a94e57cad9107aada334fc02aabb42b6becd13c43fc"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.0.5"
-  package_info_plus_macos:
-    dependency: transitive
-    description:
-      name: package_info_plus_macos
-      sha256: a2ad8b4acf4cd479d4a0afa5a74ea3f5b1c7563b77e52cc32b3ee6956d5482a6
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.3.0"
+    version: "4.1.0"
   package_info_plus_platform_interface:
     dependency: transitive
     description:
       name: package_info_plus_platform_interface
-      sha256: f7a0c8f1e7e981bc65f8b64137a53fd3c195b18d429fba960babc59a5a1c7ae8
+      sha256: "9bc8ba46813a4cc42c66ab781470711781940780fd8beddd0c3da62506d3a6c6"
       url: "https://pub.dev"
     source: hosted
-    version: "1.0.2"
-  package_info_plus_web:
-    dependency: transitive
-    description:
-      name: package_info_plus_web
-      sha256: f0829327eb534789e0a16ccac8936a80beed4e2401c4d3a74f3f39094a822d3b
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.0.6"
-  package_info_plus_windows:
-    dependency: transitive
-    description:
-      name: package_info_plus_windows
-      sha256: "79524f11c42dd9078b96d797b3cf79c0a2883a50c4920dc43da8562c115089bc"
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.1.0"
+    version: "2.0.1"
   path:
     dependency: transitive
     description:
@@ -705,10 +673,10 @@ packages:
     dependency: transitive
     description:
       name: win32
-      sha256: a6f0236dbda0f63aa9a25ad1ff9a9d8a4eaaa5012da0dc59d21afdb1dc361ca4
+      sha256: "9e82a402b7f3d518fb9c02d0e9ae45952df31b9bf34d77baf19da2de03fc2aaa"
       url: "https://pub.dev"
     source: hosted
-    version: "3.1.4"
+    version: "5.0.7"
   xdg_directories:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index 943c79c..473500d 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -12,27 +12,27 @@ environment:
   sdk: ">=2.18.2 <3.0.0"
 
 dependencies:
+  canteenlib: ^1.1.2
   flutter:
     sdk: flutter
-  flutter_localizations: 
-    sdk: flutter
-  canteenlib: ^1.1.2
-  flutter_secure_storage: ^7.0.1
-  url_launcher: ^6.0.20
-  path_provider: ^2.0.9
-  shared_preferences: ^2.0.13
-  introduction_screen: ^3.0.1
   flutter_local_notifications: ^12.0.3+1
-  timezone: ^0.9.0
+  flutter_localizations:
+    sdk: flutter
   flutter_native_timezone: ^2.0.0
-  intl: ^0.18.0
-  package_info_plus: ^1.4.3+1
+  flutter_secure_storage: ^7.0.1
   fluttertoast: ^8.1.2
+  intl: ^0.18.0
+  introduction_screen: ^3.0.1
+  package_info_plus: ^4.1.0
+  path_provider: ^2.0.9
   settings_ui: ^2.0.2
+  shared_preferences: ^2.0.13
+  timezone: ^0.9.0
+  url_launcher: ^6.0.20
 
 dev_dependencies:
-  flutter_lints: ^2.0.1
   flutter_launcher_icons: ^0.13.0
+  flutter_lints: ^2.0.1
 
 flutter_icons:
   android: true
@@ -48,10 +48,8 @@ flutter:
   # To add assets to your application, add an assets section, like this:
   assets:
     - assets/
-
   # An image asset can refer to one or more resolution-specific "variants", see
   # https://flutter.dev/assets-and-images/#resolution-aware.
-
   # To add custom fonts to your application, add a fonts section here,
   # in this "flutter" section. Each entry in this list should have a
   # "family" key with the font family name, and a "fonts" key with a