diff --git a/COPYING b/COPYING
index a43e8375..6e079b80 100644
--- a/COPYING
+++ b/COPYING
@@ -1,6 +1,6 @@
 The MIT License
 
-Copyright (c) 2012, 2014, 2015 Tatsuhiro Tsujikawa
+Copyright (c) 2012, 2014, 2015, 2016 Tatsuhiro Tsujikawa
 
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the
diff --git a/doc/conf.py.in b/doc/conf.py.in
index 66022335..9c192827 100644
--- a/doc/conf.py.in
+++ b/doc/conf.py.in
@@ -66,7 +66,7 @@ master_doc = 'index'
 
 # General information about the project.
 project = u'nghttp2'
-copyright = u'2012, 2015, Tatsuhiro Tsujikawa'
+copyright = u'2012, 2015, 2016, Tatsuhiro Tsujikawa'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the