diff --git a/configure.in b/configure.in
index 474d6e23..bd348851 100644
--- a/configure.in
+++ b/configure.in
@@ -1,5 +1,5 @@
 AC_INIT(msgpack/unpack_template.h)
-AM_INIT_AUTOMAKE(msgpack, 0.1.0)
+AM_INIT_AUTOMAKE(msgpack, 0.2.0)
 AC_CONFIG_HEADER(config.h)
 
 AC_PROG_LIBTOOL