diff --git a/app/build.gradle b/app/build.gradle
index 20d3136..7bbf932 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -9,9 +9,9 @@ android {
     defaultConfig {
         applicationId "eu.neilalexander.yggdrasil"
         minSdkVersion 21
-        targetSdkVersion 33
-        versionCode 18
-        versionName "0.1-018"
+        targetSdkVersion 34
+        versionCode 19
+        versionName "0.1-019"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
@@ -51,12 +51,12 @@ android {
 dependencies {
     implementation fileTree(include: ['*.aar'], dir: 'libs')
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
-    implementation 'androidx.core:core-ktx:1.12.0'
-    implementation 'androidx.appcompat:appcompat:1.6.1'
-    implementation 'com.google.android.material:material:1.5.0'
+    implementation 'androidx.core:core-ktx:1.13.1'
+    implementation 'androidx.appcompat:appcompat:1.7.0'
+    implementation 'com.google.android.material:material:1.12.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
     implementation 'androidx.preference:preference-ktx:1.2.1'
-    testImplementation 'junit:junit:4.+'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.5'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.2.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.6.1'
 }
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index c91724e..ebf9dd1 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -6,6 +6,7 @@
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE"/>
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_SYSTEM_EXEMPTED" />
 
     <application
         android:name=".GlobalApplication"
@@ -42,6 +43,7 @@
         <service
             android:name=".PacketTunnelProvider"
             android:permission="android.permission.BIND_VPN_SERVICE"
+            android:foregroundServiceType="systemExempted"
             android:exported="true">
             <intent-filter>
                 <action android:name="android.net.VpnService" />
diff --git a/app/src/main/java/eu/neilalexander/yggdrasil/MainActivity.kt b/app/src/main/java/eu/neilalexander/yggdrasil/MainActivity.kt
index d1cd613..bc5f716 100644
--- a/app/src/main/java/eu/neilalexander/yggdrasil/MainActivity.kt
+++ b/app/src/main/java/eu/neilalexander/yggdrasil/MainActivity.kt
@@ -68,6 +68,7 @@ class MainActivity : AppCompatActivity() {
                         startVpnActivity.launch(vpnIntent)
                     } else {
                         start()
+                        enabledSwitch.isEnabled = false
                     }
                 }
                 false -> {
@@ -181,6 +182,9 @@ class MainActivity : AppCompatActivity() {
                             else -> getString(R.string.main_many_peers, count)
                         }
                     }
+                    if (!enabledSwitch.isEnabled) {
+                        enabledSwitch.isEnabled = true
+                    }
                 }
             }
         }
diff --git a/app/src/main/java/eu/neilalexander/yggdrasil/PacketTunnelProvider.kt b/app/src/main/java/eu/neilalexander/yggdrasil/PacketTunnelProvider.kt
index c5519f6..aa84803 100644
--- a/app/src/main/java/eu/neilalexander/yggdrasil/PacketTunnelProvider.kt
+++ b/app/src/main/java/eu/neilalexander/yggdrasil/PacketTunnelProvider.kt
@@ -232,7 +232,11 @@ open class PacketTunnelProvider: VpnService() {
     }
 
     private fun updater() {
-        Thread.sleep(500)
+        try {
+            Thread.sleep(500)
+        } catch (_: InterruptedException) {
+            return
+        }
         var lastStateUpdate = System.currentTimeMillis()
         updates@ while (started.get()) {
             val treeJSON = yggdrasil.treeJSON
diff --git a/build.gradle b/build.gradle
index f6f831d..2f8ae41 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,6 +1,6 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
-    ext.kotlin_version = '1.9.10'
+    ext.kotlin_version = '1.9.20'
     repositories {
         google()
         mavenCentral()
diff --git a/libs/yggdrasil-go b/libs/yggdrasil-go
index 947b6ad..0b9c8bd 160000
--- a/libs/yggdrasil-go
+++ b/libs/yggdrasil-go
@@ -1 +1 @@
-Subproject commit 947b6ad7aa93eb2174bf16ddac844c7afaf2677d
+Subproject commit 0b9c8bd020f971847604e7e1f0e0cfc66e65da49