diff --git a/configure.ac b/configure.ac
index c62e928f..fe08234d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 dnl Process this file with autoconf to produce a configure script.
 AC_PREREQ([2.65])
-AC_INIT([snapraid], [9.0], [], [], [http://www.snapraid.it])
+AC_INIT([snapraid], [9.1], [], [], [http://www.snapraid.it])
 AM_INIT_AUTOMAKE([foreign no-dependencies subdir-objects])
 AC_CONFIG_SRCDIR([cmdline/snapraid.c])
 AC_CONFIG_HEADERS([config.h])