diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 8a2a33a..b4067df 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -7,17 +7,14 @@ plugins {
 
 android {
     namespace = "com.mrunk.wearhr"
-    compileSdk = 34
+    compileSdk = 35
 
     defaultConfig {
         applicationId = "com.mrunk.wearhr"
-        minSdk = 30 // Wear OS 3+
-        targetSdk = 34
+        minSdk = 30        // Wear OS 3+ (passt auch für Wear OS 5)
+        targetSdk = 35
         versionCode = 1
         versionName = "0.1.0"
-
-        // Allow cleartext OFF by default; we use WSS.
-        resourceConfigurations += listOf("en", "de")
     }
 
     buildTypes {
diff --git a/build.gradle.kts b/build.gradle.kts
index cdf74d6..5c3124f 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,4 +1,4 @@
 plugins {
-    id("com.android.application") version "8.5.0" apply false
-    kotlin("android") version "1.9.24" apply false
-}
\ No newline at end of file
+    id("com.android.application") version "8.12.0" apply false
+    id("org.jetbrains.kotlin.android") version "2.1.20" apply false
+}
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 075e890..df9a22a 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -1,2 +1,9 @@
+pluginManagement {
+    repositories { google(); mavenCentral(); gradlePluginPortal() }
+}
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories { google(); mavenCentral() }
+}
 rootProject.name = "wearos-heartmonitor-wss"
-include(":app")
\ No newline at end of file
+include(":app")