diff --git a/ms-windows/osgeo4w/package-nightly.cmd b/ms-windows/osgeo4w/package-nightly.cmd
index 44508fdd43e1..bf420b805c7a 100755
--- a/ms-windows/osgeo4w/package-nightly.cmd
+++ b/ms-windows/osgeo4w/package-nightly.cmd
@@ -1,5 +1,5 @@
 @echo off
-set GRASS_VERSION=6.4.2RC2
+set GRASS_VERSION=6.4.2RC3
 
 set BUILDDIR=%CD%\build
 REM set BUILDDIR=%TEMP%\qgis_unstable
diff --git a/ms-windows/osgeo4w/package.cmd b/ms-windows/osgeo4w/package.cmd
index 4103c5b41fc0..653c71e5a4b6 100755
--- a/ms-windows/osgeo4w/package.cmd
+++ b/ms-windows/osgeo4w/package.cmd
@@ -1,5 +1,5 @@
 @echo off
-set GRASS_VERSION=6.4.2RC2
+set GRASS_VERSION=6.4.2RC3
 
 set BUILDDIR=%CD%\build
 REM set BUILDDIR=%TEMP%\qgis_unstable