diff --git a/bld/UPDATE ONLY.bat b/bld/UPDATE ONLY.bat
new file mode 100644
index 00000000..5b073aa1
--- /dev/null
+++ b/bld/UPDATE ONLY.bat	
@@ -0,0 +1 @@
+start "" /B "ISCC.exe" /Q "gen_upd.iss"