diff --git a/app/build.gradle b/app/build.gradle
index 6eeaa1a..46f6acf 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,12 +1,16 @@
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
+plugins {
+    id 'com.android.application'
+    id 'kotlin-android'
+    id 'kotlin-kapt'
+    id 'com.google.devtools.ksp'
+}
 
 android {
-    compileSdkVersion 33
     defaultConfig {
         applicationId 'org.secuso.privacyfriendly2048'
         minSdkVersion 21
-        targetSdkVersion 33
+        targetSdkVersion 34
+        compileSdk 34
         versionCode 5
         versionName "1.3"
     }
@@ -18,8 +22,23 @@ android {
     }
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_11
-        targetCompatibility JavaVersion.VERSION_11
+        sourceCompatibility JavaVersion.VERSION_17
+        targetCompatibility JavaVersion.VERSION_17
+    }
+
+    kotlinOptions {
+        jvmTarget = JavaVersion.VERSION_17.toString()
+    }
+
+    kotlin {
+        jvmToolchain(17)
+    }
+
+    android.applicationVariants.configureEach { variant ->
+        variant.outputs.all {
+            def appName = "pfa-2048"
+            outputFileName = appName + "-${variant.name}-v${variant.versionName}.apk"
+        }
     }
 
     dataBinding {
@@ -30,21 +49,21 @@ android {
 
 dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
-    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
-    testImplementation 'junit:junit:4.12'
-    implementation 'androidx.appcompat:appcompat:1.0.0'
-    implementation 'com.google.android.material:material:1.0.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
+    testImplementation 'junit:junit:4.13.2'
+    implementation 'androidx.appcompat:appcompat:1.6.1'
+    implementation 'com.google.android.material:material:1.11.0'
     implementation 'androidx.legacy:legacy-support-v4:1.0.0'
-    implementation 'com.github.bumptech.glide:glide:4.7.1'
-    annotationProcessor 'com.github.bumptech.glide:compiler:4.7.1'
+    implementation 'com.github.bumptech.glide:glide:4.11.0'
+    annotationProcessor 'com.github.bumptech.glide:compiler:4.9.0'
 
     // Backup
     implementation project(path: ':backup-api')
-    def work_version = "2.4.0"
+    def work_version = "2.9.0"
     implementation "androidx.work:work-runtime:$work_version"
     implementation "androidx.work:work-runtime-ktx:$work_version"
     androidTestImplementation "androidx.work:work-testing:$work_version"
-    implementation 'androidx.sqlite:sqlite-ktx:2.3.1'
+    implementation 'androidx.sqlite:sqlite-ktx:2.4.0'
 
     constraints {
         implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.8.0") {
diff --git a/app/src/main/java/org/secuso/privacyfriendly2048/PF2048.kt b/app/src/main/java/org/secuso/privacyfriendly2048/PF2048.kt
index 60bc4fa..82bf185 100644
--- a/app/src/main/java/org/secuso/privacyfriendly2048/PF2048.kt
+++ b/app/src/main/java/org/secuso/privacyfriendly2048/PF2048.kt
@@ -17,11 +17,7 @@
 package org.secuso.privacyfriendly2048
 
 import android.app.Application
-import android.app.NotificationChannel
-import android.app.NotificationManager
-import android.os.Build
 import android.util.Log
-import androidx.appcompat.app.AppCompatDelegate
 import androidx.work.Configuration
 import org.secuso.privacyfriendly2048.backup.BackupCreator
 import org.secuso.privacyfriendly2048.backup.BackupRestorer
@@ -34,7 +30,5 @@ class PF2048 : Application(), Configuration.Provider {
         super.onCreate()
     }
 
-    override fun getWorkManagerConfiguration(): Configuration {
-        return Configuration.Builder().setMinimumLoggingLevel(Log.INFO).build()
-    }
+    override val workManagerConfiguration = Configuration.Builder().setMinimumLoggingLevel(Log.INFO).build()
 }
diff --git a/build.gradle b/build.gradle
index 1e0c9c9..f369406 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,13 +2,13 @@
 
 buildscript {
     repositories {
-        jcenter()
+        mavenCentral()
         google()
     }
 
-    ext.kotlin_version = "1.7.20"
+    ext.kotlin_version = "1.9.10"
     dependencies {
-        classpath 'com.android.tools.build:gradle:8.1.2'
+        classpath 'com.android.tools.build:gradle:8.1.4'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
         // NOTE: Do not place your application dependencies here; they belong
@@ -16,9 +16,13 @@ buildscript {
     }
 }
 
+plugins {
+    id 'com.google.devtools.ksp' version "$kotlin_version-1.0.13" apply false
+}
+
 allprojects {
     repositories {
-        jcenter()
+        mavenCentral()
         google()
     }
 }