diff --git a/OneSignalSDK/onesignal/notifications/consumer-rules.pro b/OneSignalSDK/onesignal/notifications/consumer-rules.pro
index 2d829efe1..815f507c1 100644
--- a/OneSignalSDK/onesignal/notifications/consumer-rules.pro
+++ b/OneSignalSDK/onesignal/notifications/consumer-rules.pro
@@ -54,4 +54,9 @@
 
 -keep class com.onesignal.JobIntentService$* {*;}
 
--keepclassmembers class com.onesignal.notifications.** { *; }
\ No newline at end of file
+-keepclassmembers class com.onesignal.notifications.** { *; }
+
+# Keep OneSignal WorkManager workers and constructors used for runtime instantiation.
+-keep class com.onesignal.notifications.internal.** extends androidx.work.ListenableWorker {
+    public <init>(android.content.Context, androidx.work.WorkerParameters);
+}
\ No newline at end of file