diff --git a/honoka/configure.ac b/honoka/configure.ac
index c4cac40..78c5dda 100644
--- a/honoka/configure.ac
+++ b/honoka/configure.ac
@@ -1,5 +1,5 @@
 # Process this file with autoconf to produce a configure script.
-AC_INIT(honoka, 0.8.3, tam-t@par.odn.ne.jp)
+AC_INIT(honoka, 0.9.0, tam-t@par.odn.ne.jp)
 AC_CONFIG_SRCDIR([src/honoka_imengine.h])
 
 # Save this value here, since automake will set cflags and cxxflags later
@@ -7,8 +7,8 @@
 cppflags_set=${CPPFLAGS+set}
 
 HONOKA_MAJOR_VERSION=0
-HONOKA_MINOR_VERSION=8
-HONOKA_MICRO_VERSION=3
+HONOKA_MINOR_VERSION=9
+HONOKA_MICRO_VERSION=0
 
 HONOKA_VERSION=$HONOKA_MAJOR_VERSION.$HONOKA_MINOR_VERSION.$HONOKA_MICRO_VERSION
 
diff --git a/honoka/m4/Makefile b/honoka/m4/Makefile
index f80589b..9d0ba73 100644
--- a/honoka/m4/Makefile
+++ b/honoka/m4/Makefile
@@ -113,9 +113,9 @@
 HAVE_SNPRINTF = 1
 HAVE_WPRINTF = 0
 HONOKA_MAJOR_VERSION = 0
-HONOKA_MICRO_VERSION = 3
-HONOKA_MINOR_VERSION = 8
-HONOKA_VERSION = 0.8.3
+HONOKA_MICRO_VERSION = 0
+HONOKA_MINOR_VERSION = 9
+HONOKA_VERSION = 0.9.0
 INSTALL_DATA = ${INSTALL} -m 644
 INSTALL_LTDL_FALSE = 
 INSTALL_LTDL_TRUE = #
@@ -148,9 +148,9 @@
 PACKAGE = honoka
 PACKAGE_BUGREPORT = tam-t@par.odn.ne.jp
 PACKAGE_NAME = honoka
-PACKAGE_STRING = honoka 0.8.3
+PACKAGE_STRING = honoka 0.9.0
 PACKAGE_TARNAME = honoka
-PACKAGE_VERSION = 0.8.3
+PACKAGE_VERSION = 0.9.0
 PATH_SEPARATOR = :
 PKG_CONFIG = /usr/bin/pkg-config
 POSUB = po
@@ -172,7 +172,7 @@
 STRIP = strip
 USE_INCLUDED_LIBINTL = no
 USE_NLS = yes
-VERSION = 0.8.3
+VERSION = 0.9.0
 WNNCONVERSION = 
 WNNCONVERSION_FALSE = #
 WNNCONVERSION_TRUE =