diff --git a/binder_bindings/android/brillo/IUpdateEngine.aidl b/binder_bindings/android/brillo/IUpdateEngine.aidl
index b1a1b4f..7893548 100644
--- a/binder_bindings/android/brillo/IUpdateEngine.aidl
+++ b/binder_bindings/android/brillo/IUpdateEngine.aidl
@@ -33,6 +33,8 @@
   void SetP2PUpdatePermission(in boolean enabled);
   boolean GetP2PUpdatePermission();
   void SetUpdateOverCellularPermission(in boolean enabled);
+  void SetUpdateOverCellularTarget(in String target_version,
+                                   in long target_size);
   boolean GetUpdateOverCellularPermission();
   long GetDurationSinceUpdate();
   String GetPrevVersion();