diff --git a/src/make_release.fsx b/src/make_release.fsx
index 1ee538e..0258989 100755
--- a/src/make_release.fsx
+++ b/src/make_release.fsx
@@ -11,7 +11,7 @@ open System.IO.Compression
 open System.Runtime.InteropServices
 
 // Configuration ----------------------------------------------------
-let versionStr = "0.2.0"
+let versionStr = "0.4.0"
 // ------------------------------------------------------------------
 
 let releaseDir = "release"