diff --git a/configure b/configure
index a3e925ac..f48ac939 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for mckernel 1.4.0.
+# Generated by GNU Autoconf 2.69 for mckernel 1.5.0.
 #
 #
 # Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
@@ -577,8 +577,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='mckernel'
 PACKAGE_TARNAME='mckernel'
-PACKAGE_VERSION='1.4.0'
-PACKAGE_STRING='mckernel 1.4.0'
+PACKAGE_VERSION='1.5.0'
+PACKAGE_STRING='mckernel 1.5.0'
 PACKAGE_BUGREPORT=''
 PACKAGE_URL=''
 
@@ -1262,7 +1262,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures mckernel 1.4.0 to adapt to many kinds of systems.
+\`configure' configures mckernel 1.5.0 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1323,7 +1323,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of mckernel 1.4.0:";;
+     short | recursive ) echo "Configuration of mckernel 1.5.0:";;
    esac
   cat <<\_ACEOF
 
@@ -1431,7 +1431,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-mckernel configure 1.4.0
+mckernel configure 1.5.0
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -1729,7 +1729,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by mckernel $as_me 1.4.0, which was
+It was created by mckernel $as_me 1.5.0, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -2082,12 +2082,12 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 
-IHK_VERSION=1.4.0
-MCKERNEL_VERSION=1.4.0
-DCFA_VERSION=1.4.0
-IHK_RELEASE_DATE=2017-10-30
-MCKERNEL_RELEASE_DATE=2017-10-30
-DCFA_RELEASE_DATE=2017-10-30
+IHK_VERSION=1.5.0
+MCKERNEL_VERSION=1.5.0
+DCFA_VERSION=DCFA_VERSION_m4
+IHK_RELEASE_DATE=2018-04-05
+MCKERNEL_RELEASE_DATE=2018-04-05
+DCFA_RELEASE_DATE=DCFA_RELEASE_DATE_m4
 
 
 
@@ -5585,7 +5585,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by mckernel $as_me 1.4.0, which was
+This file was extended by mckernel $as_me 1.5.0, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -5647,7 +5647,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-mckernel config.status 1.4.0
+mckernel config.status 1.5.0
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
diff --git a/configure.ac b/configure.ac
index 00356aa7..c760ba24 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,11 +1,9 @@
 # configure.ac COPYRIGHT FUJITSU LIMITED 2015-2016
 AC_PREREQ(2.63)
-m4_define([IHK_VERSION_m4],[1.4.0])dnl
-m4_define([MCKERNEL_VERSION_m4],[1.4.0])dnl
-m4_define([DCFA_VERSION_m4],[1.4.0])dnl
-m4_define([IHK_RELEASE_DATE_m4],[2017-10-30])dnl
-m4_define([MCKERNEL_RELEASE_DATE_m4],[2017-10-30])dnl
-m4_define([DCFA_RELEASE_DATE_m4],[2017-10-30])dnl
+m4_define([IHK_VERSION_m4],[1.5.0])dnl
+m4_define([MCKERNEL_VERSION_m4],[1.5.0])dnl
+m4_define([IHK_RELEASE_DATE_m4],[2018-04-05])dnl
+m4_define([MCKERNEL_RELEASE_DATE_m4],[2018-04-05])dnl
 
 AC_INIT([mckernel], MCKERNEL_VERSION_m4)