diff --git a/configure.in b/configure.in
index 3da2fe68..9b83fe50 100644
--- a/configure.in
+++ b/configure.in
@@ -1,7 +1,7 @@
 dnl configure.in for Openbox
 dnl Initialize autoconf and automake
 AC_INIT(src/blackbox.cc)
-AM_INIT_AUTOMAKE(openbox,2.2.0,no-define)
+AM_INIT_AUTOMAKE(openbox,2.2.1,no-define)
 
 dnl Determine default prefix
 test x$prefix = "xNONE" && prefix="$ac_default_prefix"