diff --git a/binder_bindings/android/os/IUpdateEngine.aidl b/binder_bindings/android/os/IUpdateEngine.aidl
index 1e8090e..4245254 100644
--- a/binder_bindings/android/os/IUpdateEngine.aidl
+++ b/binder_bindings/android/os/IUpdateEngine.aidl
@@ -20,6 +20,8 @@
 
 interface IUpdateEngine {
   void applyPayload(String url,
+                    in long payload_offset,
+                    in long payload_size,
                     in String[] headerKeyValuePairs);
   boolean bind(IUpdateEngineCallback callback);
   void suspend();