diff --git a/configure.in.base b/configure.in.base
index 28f7ffb99..7be9e6e53 100644
--- a/configure.in.base
+++ b/configure.in.base
@@ -22,8 +22,8 @@ AC_CANONICAL_HOST
 PACKAGE=salome
 AC_SUBST(PACKAGE)
 
-VERSION=3.2.4
-XVERSION=0x030204
+VERSION=4.0.0
+XVERSION=0x040000
 AC_SUBST(VERSION)
 AC_SUBST(XVERSION)