diff --git a/build.gradle b/build.gradle
index dc9a9865218ea9ab3d2e59f19c65b87567d2948a..de111fe8e8913ad89a96ee2e32ced6211df8914d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -4,11 +4,9 @@ apply from : '../dependencies.gradle'
 apply from : '../exportdependencies/publish.gradle'
 
 android {
-    ndkVersion '21.3.6528147'
-
     defaultConfig {
         minSdkVersion 24
-        targetSdkVersion 33
+        targetSdkVersion 34
     }
 
     buildTypes {
diff --git a/src/main/java/org/torproject/android/service/OrbotService.java b/src/main/java/org/torproject/android/service/OrbotService.java
index f1b86e9a298c9c532b859c04fdb351804c03ff2e..16a41076e52214074b34ab09442c078a4e55bc36 100644
--- a/src/main/java/org/torproject/android/service/OrbotService.java
+++ b/src/main/java/org/torproject/android/service/OrbotService.java
@@ -87,6 +87,7 @@ import IPtProxy.IPtProxy;
 import androidx.annotation.NonNull;
 import androidx.annotation.RequiresApi;
 import androidx.core.app.NotificationCompat;
+import androidx.core.content.ContextCompat;
 import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 
 @SuppressWarnings("StringConcatenationInsideStringBufferAppend")
@@ -574,7 +575,7 @@ public class OrbotService extends VpnService implements OrbotConstants {
                 filter.addAction(LOCAL_ACTION_NOTIFICATION_START);
 
                 mActionBroadcastReceiver = new ActionBroadcastReceiver();
-                registerReceiver(mActionBroadcastReceiver, filter);
+                ContextCompat.registerReceiver(this, mActionBroadcastReceiver, filter, ContextCompat.RECEIVER_NOT_EXPORTED);
 
                 mIsServiceRunningBroadcastReceiver = new IsServiceRunningBroadcastReceiver();
                 LocalBroadcastManager.getInstance(this).registerReceiver(