diff --git a/configure.ac b/configure.ac
index 89527a01..b029a705 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 dnl Process this file with autoconf to produce a configure script.
 AC_PREREQ(2.59)
-AC_INIT(alsa-lib, 1.2.12)
+AC_INIT(alsa-lib, 1.2.13pre1)
 
 AC_CONFIG_SRCDIR([src/control/control.c])
 AC_CONFIG_MACRO_DIR([m4])