diff --git a/README.md b/README.md
index 1f85dd2431f344db0c31f6a4a75801133bcca413..f58d1072ac3a2989ff769f335491e8db18182a34 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 An install helper program for desktop stuff.
 
-Copyright: 2016, Akira Ohgaki
+Copyright: 2016-2017, Akira Ohgaki
 
 License: GPL-3+
 
diff --git a/pkg/ubuntu/debian/copyright b/pkg/ubuntu/debian/copyright
index 5e4c2739d8fd9bf4e1d75d27646f8441c8757f7b..68078a2329aef059899c05e080d16e312bf11afc 100644
--- a/pkg/ubuntu/debian/copyright
+++ b/pkg/ubuntu/debian/copyright
@@ -4,7 +4,7 @@ Upstream-Contact: Akira Ohgaki <akiraohgaki@gmail.com>
 Source: https://github.com/xdgurl/xdgurl
 
 Files: *
-Copyright: 2016, Akira Ohgaki
+Copyright: 2016-2017, Akira Ohgaki
 License: GPL-3+
  On Debian systems, the full text of the GNU General Public License version 3
  can be found in the `/usr/share/common-licenses/GPL-3' file.