diff --git a/messagingpush/api/messagingpush.api b/messagingpush/api/messagingpush.api
index 69339a0cc..d2ce57325 100644
--- a/messagingpush/api/messagingpush.api
+++ b/messagingpush/api/messagingpush.api
@@ -1,4 +1,4 @@
-public final class io/customer/messagingpush/CustomerIOFirebaseMessagingService : com/google/firebase/messaging/FirebaseMessagingService {
+public class io/customer/messagingpush/CustomerIOFirebaseMessagingService : com/google/firebase/messaging/FirebaseMessagingService {
 	public static final field Companion Lio/customer/messagingpush/CustomerIOFirebaseMessagingService$Companion;
 	public fun <init> ()V
 	public fun onMessageReceived (Lcom/google/firebase/messaging/RemoteMessage;)V
diff --git a/messagingpush/src/main/java/io/customer/messagingpush/CustomerIOFirebaseMessagingService.kt b/messagingpush/src/main/java/io/customer/messagingpush/CustomerIOFirebaseMessagingService.kt
index a452864f1..7f312f0f7 100644
--- a/messagingpush/src/main/java/io/customer/messagingpush/CustomerIOFirebaseMessagingService.kt
+++ b/messagingpush/src/main/java/io/customer/messagingpush/CustomerIOFirebaseMessagingService.kt
@@ -5,7 +5,7 @@ import com.google.firebase.messaging.FirebaseMessagingService
 import com.google.firebase.messaging.RemoteMessage
 import io.customer.sdk.CustomerIO
 
-class CustomerIOFirebaseMessagingService : FirebaseMessagingService() {
+open class CustomerIOFirebaseMessagingService : FirebaseMessagingService() {
 
     companion object {
         /**