diff --git a/libisofs/libisofs.ver b/libisofs/libisofs.ver
index c79534d..e3798d1 100644
--- a/libisofs/libisofs.ver
+++ b/libisofs/libisofs.ver
@@ -311,5 +311,6 @@ iso_write_opts_set_will_cancel;
 iso_zisofs_get_params;
 iso_zisofs_get_refcounts;
 iso_zisofs_set_params;
+serial_id;
 local: *;
 };