diff --git a/android/app/build.gradle b/android/app/build.gradle
index 51e7d6b..35ca325 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -38,14 +38,11 @@ android {
         main.java.srcDirs += 'src/main/kotlin'
     }
 
-    lintOptions {
-        disable 'InvalidPackage'
-    }
 
     defaultConfig {
         applicationId "io.vikunja.app"
         minSdkVersion 19
-        targetSdkVersion 31
+        targetSdkVersion 33
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
@@ -74,7 +71,7 @@ android {
             dimension "deploy"
             //signingConfig null
         }
-	main {
+	    core {
             dimension "deploy"
             signingConfig signingConfigs.debug // TODO add signing key
         }
@@ -98,6 +95,10 @@ android {
             //signingConfig signingConfigs.debug
         }
     }
+    lint {
+        disable 'InvalidPackage'
+    }
+    namespace 'io.vikunja.flutteringvikunja'
 }
 
 flutter {
@@ -106,7 +107,7 @@ flutter {
 
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.6.20"
-    testImplementation 'junit:junit:4.12'
+    testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'com.android.support.test:runner:1.0.2'
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
 }
diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
index e4bd9e7..960d4df 100644
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -1,5 +1,4 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="io.vikunja.flutteringvikunja">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
     <!-- The INTERNET permission is required for development. Specifically,
          flutter needs it to communicate with the running application
diff --git a/android/app/src/main/res/values/colors.xml b/android/app/src/main/res/values/colors.xml
deleted file mode 100644
index 8885c99..0000000
--- a/android/app/src/main/res/values/colors.xml
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources>
-    <color name="ic_launcher_background">#FF455486</color>
-</resources>
\ No newline at end of file
diff --git a/android/build.gradle b/android/build.gradle
index ff2a7cc..39fd1e5 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -1,13 +1,13 @@
 buildscript {
-    ext.kotlin_version = '1.6.20'
+    ext.kotlin_version = '1.7.20'
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 
     dependencies {
-        classpath 'com.google.gms:google-services:4.2.0'
-        classpath 'com.android.tools.build:gradle:7.1.3'
+        classpath 'com.google.gms:google-services:4.3.14'
+        classpath 'com.android.tools.build:gradle:7.3.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
@@ -15,7 +15,7 @@ buildscript {
 allprojects {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 }
 
diff --git a/android/gradle/wrapper/gradle-wrapper.properties b/android/gradle/wrapper/gradle-wrapper.properties
index 966aa8e..cb24abd 100644
--- a/android/gradle/wrapper/gradle-wrapper.properties
+++ b/android/gradle/wrapper/gradle-wrapper.properties
@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-all.zip
diff --git a/lib/global.dart b/lib/global.dart
index 966b7b2..40efee8 100644
--- a/lib/global.dart
+++ b/lib/global.dart
@@ -1,7 +1,7 @@
 import 'dart:developer' as dev;
 
 import 'package:flutter/material.dart';
-import 'package:flutter_native_timezone/flutter_native_timezone.dart';
+import 'package:flutter_timezone/flutter_timezone.dart';
 import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import 'package:vikunja_app/api/bucket_implementation.dart';
 import 'package:vikunja_app/api/client.dart';
@@ -157,7 +157,7 @@ class VikunjaGlobalState extends State<VikunjaGlobal> {
   }
 
   void notificationInitializer() async {
-    currentTimeZone = await FlutterNativeTimezone.getLocalTimezone();
+    currentTimeZone = await FlutterTimezone.getLocalTimezone();
     notifLaunch = await notificationsPlugin.getNotificationAppLaunchDetails();
     await notifications.initNotifications(notificationsPlugin);
     requestIOSPermissions(notificationsPlugin);
diff --git a/pubspec.lock b/pubspec.lock
index 79bb8fa..55bae18 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -244,13 +244,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "5.0.0"
-  flutter_native_timezone:
-    dependency: "direct main"
-    description:
-      name: flutter_native_timezone
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.0"
   flutter_secure_storage:
     dependency: "direct main"
     description:
@@ -298,6 +291,13 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_timezone:
+    dependency: "direct main"
+    description:
+      name: flutter_timezone
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.4"
   flutter_typeahead:
     dependency: "direct main"
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index 78748fd..8eeff34 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,7 +1,7 @@
 name: vikunja_app
 description: Vikunja as Flutter cross platform app
 
-version: 0.0.23-alpha
+version: 0.0.24-alpha
 
 environment:
   sdk: ">=2.12.0 <3.0.0"
@@ -15,7 +15,7 @@ dependencies:
   intl: ^0.17.0
   flutter_local_notifications: ^9.8.0+1
   rxdart: ^0.27.5
-  flutter_native_timezone: ^2.0.0
+  flutter_timezone: ^1.0.4
   flutter_secure_storage: ^6.0.0
   datetime_picker_formfield: ^2.0.1
   flutter_typeahead: ^4.0.0