diff --git a/mobile/build.gradle b/mobile/build.gradle
index 71f9f3d683..e3125fa96d 100644
--- a/mobile/build.gradle
+++ b/mobile/build.gradle
@@ -40,7 +40,6 @@ if (!isFoss) {
 }
 
 android {
-    buildToolsVersion '34.0.0'
     useLibrary "org.apache.http.legacy"
     namespace 'org.openhab.habdroid'
 
@@ -48,7 +47,7 @@ android {
         applicationId "org.openhab.habdroid"
         minSdkVersion 21
         compileSdk 34
-        targetSdkVersion 33
+        targetSdkVersion 34
         versionCode 558
         versionName "3.16.4-beta"
         multiDexEnabled true
diff --git a/mobile/src/main/AndroidManifest.xml b/mobile/src/main/AndroidManifest.xml
index ce433aacb6..226fda3ae3 100644
--- a/mobile/src/main/AndroidManifest.xml
+++ b/mobile/src/main/AndroidManifest.xml
@@ -23,7 +23,7 @@
     <uses-permission android:name="android.permission.READ_PHONE_STATE" />
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
-    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_TYPE_DATA_SYNC" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_DATA_SYNC" />
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS"/>
     <uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT" />
 
diff --git a/mobile/src/main/java/org/openhab/habdroid/background/BackgroundTasksManager.kt b/mobile/src/main/java/org/openhab/habdroid/background/BackgroundTasksManager.kt
index 9332ac9aa6..b4c52dc4c4 100644
--- a/mobile/src/main/java/org/openhab/habdroid/background/BackgroundTasksManager.kt
+++ b/mobile/src/main/java/org/openhab/habdroid/background/BackgroundTasksManager.kt
@@ -88,6 +88,7 @@ import org.openhab.habdroid.util.isItemUpdatePrefEnabled
 import org.openhab.habdroid.util.isTaskerPluginEnabled
 import org.openhab.habdroid.util.orDefaultIfEmpty
 import org.openhab.habdroid.util.parcelableArrayList
+import org.openhab.habdroid.util.registerExportedReceiver
 import org.openhab.habdroid.util.withAttribution
 
 class BackgroundTasksManager : BroadcastReceiver() {
@@ -782,7 +783,7 @@ class BackgroundTasksManager : BroadcastReceiver() {
             }
             VALUE_GETTER_MAP[PrefKeys.SEND_CHARGING_STATE] = { context, _ ->
                 val batteryStatus: Intent? = IntentFilter(Intent.ACTION_BATTERY_CHANGED).let { ifilter ->
-                    context.registerReceiver(null, ifilter)
+                    context.registerExportedReceiver(null, ifilter)
                 }
                 val status = batteryStatus?.getIntExtra(BatteryManager.EXTRA_STATUS, -1) ?: -1
                 val plugged = batteryStatus?.getIntExtra(BatteryManager.EXTRA_PLUGGED, -1)
diff --git a/mobile/src/main/java/org/openhab/habdroid/background/EventListenerService.kt b/mobile/src/main/java/org/openhab/habdroid/background/EventListenerService.kt
index b07bce9c0f..6d39087211 100644
--- a/mobile/src/main/java/org/openhab/habdroid/background/EventListenerService.kt
+++ b/mobile/src/main/java/org/openhab/habdroid/background/EventListenerService.kt
@@ -26,6 +26,7 @@ import org.openhab.habdroid.util.PrefKeys
 import org.openhab.habdroid.util.getPrefs
 import org.openhab.habdroid.util.isEventListenerEnabled
 import org.openhab.habdroid.util.isItemUpdatePrefEnabled
+import org.openhab.habdroid.util.registerExportedReceiver
 
 class EventListenerService : Service() {
     private var backgroundTasksManager = BackgroundTasksManager()
@@ -42,7 +43,7 @@ class EventListenerService : Service() {
         if (intentFilter.countActions() == 0) {
             stopSelf(startId)
         } else {
-            registerReceiver(backgroundTasksManager, intentFilter)
+            registerExportedReceiver(backgroundTasksManager, intentFilter)
             isRegistered = true
         }
 
diff --git a/mobile/src/main/java/org/openhab/habdroid/core/OpenHabApplication.kt b/mobile/src/main/java/org/openhab/habdroid/core/OpenHabApplication.kt
index 73c50bb928..d9f459ea66 100644
--- a/mobile/src/main/java/org/openhab/habdroid/core/OpenHabApplication.kt
+++ b/mobile/src/main/java/org/openhab/habdroid/core/OpenHabApplication.kt
@@ -40,6 +40,7 @@ import org.openhab.habdroid.core.connection.ConnectionFactory
 import org.openhab.habdroid.util.CrashReportingHelper
 import org.openhab.habdroid.util.getDayNightMode
 import org.openhab.habdroid.util.getPrefs
+import org.openhab.habdroid.util.registerExportedReceiver
 
 class OpenHabApplication : MultiDexApplication() {
     interface OnDataUsagePolicyChangedListener {
@@ -96,7 +97,7 @@ class OpenHabApplication : MultiDexApplication() {
         BackgroundTasksManager.initialize(this)
 
         dataSaverChangeListener.let { listener ->
-            registerReceiver(
+            registerExportedReceiver(
                 listener,
                 IntentFilter().apply {
                     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
diff --git a/mobile/src/main/java/org/openhab/habdroid/core/connection/ConnectionManagerHelper.kt b/mobile/src/main/java/org/openhab/habdroid/core/connection/ConnectionManagerHelper.kt
index 06349017bd..3d678a3a0a 100644
--- a/mobile/src/main/java/org/openhab/habdroid/core/connection/ConnectionManagerHelper.kt
+++ b/mobile/src/main/java/org/openhab/habdroid/core/connection/ConnectionManagerHelper.kt
@@ -38,6 +38,7 @@ import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
+import org.openhab.habdroid.util.registerExportedReceiver
 
 typealias ConnectionChangedCallback = () -> Unit
 
@@ -96,8 +97,8 @@ interface ConnectionManagerHelper {
             @Suppress("DEPRECATION")
             val filter = IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION)
             // Make sure to ignore the initial sticky broadcast, as we're only interested in changes
-            ignoreNextBroadcast = context.registerReceiver(null, filter) != null
-            context.registerReceiver(this, filter)
+            ignoreNextBroadcast = context.registerExportedReceiver(null, filter) != null
+            context.registerExportedReceiver(this, filter)
         }
 
         fun shutdown() {
diff --git a/mobile/src/main/java/org/openhab/habdroid/ui/MainActivity.kt b/mobile/src/main/java/org/openhab/habdroid/ui/MainActivity.kt
index 638647df9b..e842ac0362 100644
--- a/mobile/src/main/java/org/openhab/habdroid/ui/MainActivity.kt
+++ b/mobile/src/main/java/org/openhab/habdroid/ui/MainActivity.kt
@@ -146,6 +146,7 @@ import org.openhab.habdroid.util.openInAppStore
 import org.openhab.habdroid.util.orDefaultIfEmpty
 import org.openhab.habdroid.util.parcelable
 import org.openhab.habdroid.util.putActiveServerId
+import org.openhab.habdroid.util.registerExportedReceiver
 import org.openhab.habdroid.util.resolveThemedColor
 import org.openhab.habdroid.util.updateDefaultSitemap
 
@@ -377,7 +378,7 @@ class MainActivity : AbstractBaseActivity(), ConnectionFactory.UpdateListener {
 
         val intentFilter = BackgroundTasksManager.getIntentFilterForForeground(this)
         if (intentFilter.countActions() != 0 && !prefs.isEventListenerEnabled()) {
-            registerReceiver(backgroundTasksManager, intentFilter)
+            registerExportedReceiver(backgroundTasksManager, intentFilter)
         }
 
         showDataSaverHintSnackbarIfNeeded()
diff --git a/mobile/src/main/java/org/openhab/habdroid/ui/WriteTagActivity.kt b/mobile/src/main/java/org/openhab/habdroid/ui/WriteTagActivity.kt
index bad9b59a52..65722f699d 100644
--- a/mobile/src/main/java/org/openhab/habdroid/ui/WriteTagActivity.kt
+++ b/mobile/src/main/java/org/openhab/habdroid/ui/WriteTagActivity.kt
@@ -52,6 +52,7 @@ import org.openhab.habdroid.model.NfcTag
 import org.openhab.habdroid.util.PendingIntent_Mutable
 import org.openhab.habdroid.util.appendQueryParameter
 import org.openhab.habdroid.util.parcelable
+import org.openhab.habdroid.util.registerExportedReceiver
 import org.openhab.habdroid.util.showToast
 
 class WriteTagActivity : AbstractBaseActivity(), CoroutineScope {
@@ -110,7 +111,7 @@ class WriteTagActivity : AbstractBaseActivity(), CoroutineScope {
         replaceFragment()
 
         val filter = IntentFilter(NfcAdapter.ACTION_ADAPTER_STATE_CHANGED)
-        registerReceiver(nfcStateChangeReceiver, filter)
+        registerExportedReceiver(nfcStateChangeReceiver, filter)
     }
 
     private fun replaceFragment() {
diff --git a/mobile/src/main/java/org/openhab/habdroid/util/ExtensionFuncs.kt b/mobile/src/main/java/org/openhab/habdroid/util/ExtensionFuncs.kt
index 9b45b9f1ba..978fe6e66d 100644
--- a/mobile/src/main/java/org/openhab/habdroid/util/ExtensionFuncs.kt
+++ b/mobile/src/main/java/org/openhab/habdroid/util/ExtensionFuncs.kt
@@ -13,11 +13,14 @@
 
 package org.openhab.habdroid.util
 
+import android.annotation.SuppressLint
 import android.app.Activity
 import android.app.PendingIntent
 import android.content.ActivityNotFoundException
+import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
+import android.content.IntentFilter
 import android.content.SharedPreferences
 import android.content.pm.PackageManager
 import android.content.res.Configuration
@@ -638,6 +641,15 @@ val PendingIntent_Mutable = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S)
     0
 }
 
+@SuppressLint("UnspecifiedRegisterReceiverFlag")
+fun Context.registerExportedReceiver(receiver: BroadcastReceiver?, intentFilter: IntentFilter): Intent? {
+    return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+        registerReceiver(receiver, intentFilter, Context.RECEIVER_EXPORTED)
+    } else {
+        registerReceiver(receiver, intentFilter)
+    }
+}
+
 inline fun <reified T> Intent.parcelable(key: String): T? {
     setExtrasClassLoader(T::class.java.classLoader)
     return when {