diff --git a/configure.in b/configure.in
index 5a6e70803..50af03769 100644
--- a/configure.in
+++ b/configure.in
@@ -1,5 +1,5 @@
 # Process this file with autoconf to produce a configure script.
-AC_INIT(Valgrind, 2.2.0, valgrind-users@lists.sourceforge.net)
+AC_INIT(Valgrind, 2.3.0.CVS, valgrind-users@lists.sourceforge.net)
 AC_CONFIG_SRCDIR(coregrind/vg_main.c)
 AM_CONFIG_HEADER(config.h)
 AM_INIT_AUTOMAKE