diff --git a/configure.ac b/configure.ac
index 4c1034f68..b1d511980 100644
--- a/configure.ac
+++ b/configure.ac
@@ -26,8 +26,8 @@ dnl
 dnl Process this file with autoconf to create configure.
 
 AC_PREREQ(2.57)
-AC_INIT([xorg-server], 1.8.0, [https://bugs.freedesktop.org/enter_bug.cgi?product=xorg], xorg-server)
-RELEASE_DATE="2010-04-02"
+AC_INIT([xorg-server], 1.8.99.0, [https://bugs.freedesktop.org/enter_bug.cgi?product=xorg], xorg-server)
+RELEASE_DATE="unreleased"
 AC_CONFIG_SRCDIR([Makefile.am])
 AM_INIT_AUTOMAKE([foreign dist-bzip2])
 AM_MAINTAINER_MODE