diff --git a/debian/changelog b/debian/changelog
index f9c6259..479e118 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -7,6 +7,8 @@
     - set Standards-Version: 4.0.0
   * debian/compat
     - set 10
+  * debian/copyright
+    - update to copyright format 1.0
 
  -- Hideki Yamane <henrich@debian.org>  Tue, 18 Jul 2017 07:13:21 +0900
 
diff --git a/debian/copyright b/debian/copyright
index ba58408..0ce378e 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -1,31 +1,33 @@
-This package was debianized by Hideki Yamane (Debian-JP) <henrich@debian.or.jp> on
-Sat, 08 Aug 2009 00:46:42 +0900.
+Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+Upstream-name: 衡山毛筆フォント
+               衡山毛筆フォント行書
+               衡山毛筆フォント草書
+Source: http://opentype.jp/kouzanmouhitufont.htm
+        http://opentype.jp/kouzangyousho.htm
+        http://opentype.jp/kouzansousho.htm
+Upstream-contact: 青柳衡山 (Kouzan Aoyagi) <kouzan _atmark_ kuc.biglobe.ne.jp>
 
-It was downloaded from http://musashi.or.tv/kouzanmouhitufont.htm
+Files: *.ttf
+Copyright: 青柳衡山 (Kouzan Aoyagi) <kouzan _atmark_ kuc.biglobe.ne.jp>
+License: public-domain
+ You can use it with no charge.
+ We do NOT execise our copyright, so it is completely free.
+ You can modifty it freely.
+ You can redistribute it, bundle it for CD, books, magazines, etc.
+ You can use it with no restrictions.
+ WE PROVIDE ABSOLUTELY NO WARRANTY. YOU ASSUME ALL RISKS ASSOCIATED WITH ITS USE.
+ .
+ Original Text (in Japanese)
+  無料でご利用できます。
+  著作権放棄で完全フリーです。
+  改編も自由です。
+  雑誌・書籍への掲載・CD収録も自由です。
+  使用についての制限はありません。
+  無保証です。お客様の責任でご利用ください。
 
-Upstream Author: 青柳 衡山 (Kouzan Aoyagi)  <kouzan _atmark_ kuc.biglobe.ne.jp>
-
-License:
-
-    You can use it with no charge.
-    We do NOT execise our copyright, so it is completely free.
-    You can modifty it freely.
-    You can redistribute it, bundle it for CD, books, magazines, etc.
-    You can use it with no restrictions.
-    WE PROVIDE ABSOLUTELY NO WARRANTY. YOU ASSUME ALL RISKS ASSOCIATED WITH ITS USE.
-
-    Original Text (in Japanese)
-    無料でご利用できます。
-    著作権放棄で完全フリーです。
-    改編も自由です。
-    雑誌・書籍への掲載・CD収録も自由です。
-    使用についての制限はありません。
-    無保証です。お客様の責任でご利用ください。
-
-The Debian packaging is:
-
-    Copyright (C) 2009 Hideki Yamane (Debian-JP) <henrich@debian.or.jp>
-
-and is licensed under the GPL version 3, 
-see `/usr/share/common-licenses/GPL-3'.
-
+Files: debian/*
+Copyright: 2009-2017, Hideki Yamane (Debian-JP) <henrich@debian.or.jp>
+License: GPL-2+
+ On Debian systems the full text of the GNU General Public 
+ License can be found in the `/usr/share/common-licenses/GPL-2'
+ file.