diff --git a/WindowMover.ps1 b/WindowMover.ps1
index 3fc4414..c11c904 100644
--- a/WindowMover.ps1
+++ b/WindowMover.ps1
@@ -1,3 +1,5 @@
+$Script:WindowMoverVersion = "1.0.0"
+$WindowMoverVersion = "1.0.0"
 Add-Type @"
 using System;
 using System.Runtime.InteropServices;