diff -Nru fonts-seto-6.20/debian/changelog fonts-seto-6.20/debian/changelog
--- fonts-seto-6.20/debian/changelog	2015-12-07 21:44:34.000000000 +0000
+++ fonts-seto-6.20/debian/changelog	2017-07-19 21:08:48.000000000 +0000
@@ -1,3 +1,13 @@
+fonts-seto (6.20-5) unstable; urgency=medium
+
+  * debian/control
+    - set "Build-Depends: debhelper (>= 10)"
+    - set "Standards-Version: 4.0.0"
+  * debian/compat
+    - set 10 
+
+ -- Hideki Yamane <henrich@debian.org>  Thu, 20 Jul 2017 06:08:48 +0900
+
 fonts-seto (6.20-4) unstable; urgency=medium
 
   * update debian/watch 
diff -Nru fonts-seto-6.20/debian/compat fonts-seto-6.20/debian/compat
--- fonts-seto-6.20/debian/compat	2015-12-07 21:44:34.000000000 +0000
+++ fonts-seto-6.20/debian/compat	2017-07-19 21:08:48.000000000 +0000
@@ -1 +1 @@
-9
+10
diff -Nru fonts-seto-6.20/debian/control fonts-seto-6.20/debian/control
--- fonts-seto-6.20/debian/control	2015-12-07 21:44:34.000000000 +0000
+++ fonts-seto-6.20/debian/control	2017-07-19 21:08:48.000000000 +0000
@@ -3,8 +3,8 @@
 Priority: optional
 Maintainer: Debian Fonts Task Force <pkg-fonts-devel@lists.alioth.debian.org>
 Uploaders: Hideki Yamane <henrich@debian.org>
-Build-Depends: debhelper (>= 9)
-Standards-Version: 3.9.6
+Build-Depends: debhelper (>= 10)
+Standards-Version: 4.0.0
 Homepage: http://setofont.osdn.jp/
 Vcs-Git: https://anonscm.debian.org/git/pkg-fonts/fonts-seto.git
 Vcs-Browser: https://anonscm.debian.org/cgit/pkg-fonts/fonts-seto.git/
diff -Nru fonts-seto-6.20/debian/copyright fonts-seto-6.20/debian/copyright
--- fonts-seto-6.20/debian/copyright	2015-12-07 21:44:34.000000000 +0000
+++ fonts-seto-6.20/debian/copyright	2017-07-19 21:08:48.000000000 +0000
@@ -97,7 +97,7 @@
  OTHER DEALINGS IN THE FONT SOFTWARE.
 
 Files: debian/*
-Copyright: 2014 Hideki Yamane <henrich@debian.org>
+Copyright: 2014-2017 Hideki Yamane <henrich@debian.org>
 License: GPL-2+
  This package is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by