diff --git a/src/configure b/src/configure
index 64e8661fc031d4ec8ba337ef0515f1720bb38f64..2ffe66e98f6268d487dccc904d8b2dc61b04438e 100755
--- a/src/configure
+++ b/src/configure
@@ -4,8 +4,8 @@
 if [ "x$XYZ" = "x" ]
 then
 #
-export VERSION_MASTER=${VERSION_MASTER:-MNH-V4-10}
-export VERSION_BUG=${VERSION_BUG:-1}
+export VERSION_MASTER=${VERSION_MASTER:-MNH-V5-1}
+export VERSION_BUG=${VERSION_BUG:-0}
 export VERSION_XYZ=${VERSION_XYZ:-${VERSION_MASTER}-${VERSION_BUG}}
 export VERSION_DATE=${VERSION_DATE:-"11/12/2013"}
 export VERSION_CDF=${VERSION_CDF-"3.6.3"}