diff --git a/workmanager_android/android/src/main/kotlin/dev/fluttercommunity/workmanager/BackgroundWorker.kt b/workmanager_android/android/src/main/kotlin/dev/fluttercommunity/workmanager/BackgroundWorker.kt
index 367b3bd7..e4822034 100644
--- a/workmanager_android/android/src/main/kotlin/dev/fluttercommunity/workmanager/BackgroundWorker.kt
+++ b/workmanager_android/android/src/main/kotlin/dev/fluttercommunity/workmanager/BackgroundWorker.kt
@@ -13,7 +13,7 @@ import io.flutter.embedding.engine.FlutterEngine
 import io.flutter.embedding.engine.dart.DartExecutor
 import io.flutter.embedding.engine.loader.FlutterLoader
 import io.flutter.view.FlutterCallbackInformation
-import java.util.Random
+import java.security.SecureRandom
 
 /**
  * A simple worker that posts your input back to your Flutter application.
@@ -49,7 +49,7 @@ class BackgroundWorker(
         get() = workerParams.inputData.getString(DART_TASK_KEY)
 
     private val runAttemptCount = workerParams.runAttemptCount
-    private val randomThreadIdentifier = Random().nextInt()
+    private val randomThreadIdentifier = SecureRandom().nextInt()
     private var engine: FlutterEngine? = null
 
     private var startTime: Long = 0