copyright info
diff --git a/AUTHORS b/AUTHORS
index 03f9b01..63671c6 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -1,3 +1,9 @@
+Full list of copyright holders:
+
 Lev Walkin <vlm@lionet.info>
 mkhon @ github
 ymbirtt @ github
+Wim L <wiml@omnigroup.com>
+Bartosz Marcinkiewicz <bma@megawatt.com.pl>
+Daniele Varrazzo <daniele.varrazzo@gmail.com>
+Bent Nicolaisen <BN@JAI.com>
diff --git a/ChangeLog b/ChangeLog
index 78e26da..0e44ac6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,5 @@
 
-0.9.??:
+0.9.28:
     * PER decoding: avoid memory leak on error. By github.com/simo5
     * Constness patch #46 by Wim L <wiml@omnigroup.com> (41bbf1c..78d604f).
     Build issues:
diff --git a/LICENSE b/LICENSE
index 81581a1..306464b 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2003-2016  Lev Walkin <vlm@lionet.info> and contributors.
+Copyright (c) 2003-2017  Lev Walkin <vlm@lionet.info> and contributors.
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without