diff --git a/honoka/configure.ac b/honoka/configure.ac
index 0f89e76..a6c21d9 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, 0.4.0, tam-t@par.odn.ne.jp)
+AC_INIT(honoka, 0.8.0, 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
@@ -7,7 +7,7 @@
 cppflags_set=${CPPFLAGS+set}
 
 HONOKA_MAJOR_VERSION=0
-HONOKA_MINOR_VERSION=4
+HONOKA_MINOR_VERSION=8
 HONOKA_MICRO_VERSION=0
 
 HONOKA_VERSION=$HONOKA_MAJOR_VERSION.$HONOKA_MINOR_VERSION.$HONOKA_MICRO_VERSION