diff --git a/configure.ac b/configure.ac
index b07f4ea..4924215 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_PREREQ([2.57])
-AC_INIT([InputProto], [1.4.3], [https://bugs.freedesktop.org/enter_bug.cgi?product=xorg])
+AC_INIT([InputProto], [1.9.99.1], [https://bugs.freedesktop.org/enter_bug.cgi?product=xorg])
 AM_INIT_AUTOMAKE([foreign dist-bzip2])
 
 XORG_RELEASE_VERSION