diff --git a/ChangeLog b/ChangeLog
index 63fe3e15..f7895edb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2010-01-06  Tatsuhiro Tsujikawa  <t-tujikawa@users.sourceforge.net>
+
+	Updated copyright year.
+	* src/version_usage.cc
+
 2010-01-06  Tatsuhiro Tsujikawa  <t-tujikawa@users.sourceforge.net>
 
 	Pool connection if _contentEncodingDecoder is used and server
diff --git a/src/version_usage.cc b/src/version_usage.cc
index c70b1f9d..24d5f593 100644
--- a/src/version_usage.cc
+++ b/src/version_usage.cc
@@ -55,7 +55,7 @@ namespace aria2 {
 
 void showVersion() {
   std::cout << PACKAGE << _(" version ") << PACKAGE_VERSION << "\n"
-            << "Copyright (C) 2006, 2009 Tatsuhiro Tsujikawa" << "\n"
+            << "Copyright (C) 2006, 2010 Tatsuhiro Tsujikawa" << "\n"
             << "\n"
             <<
     "This program is free software; you can redistribute it and/or modify\n"