diff --git a/AUTHORS b/AUTHORS
index 27d6a69..c534add 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -3,7 +3,7 @@ to provide the best SID listening experience.
 
 Copyright (c) 2000 Simon White
 Copyright (c) 2007-2010 Antti Lankila
-Copyright (c) 2010-2021 Leandro Nini
+Copyright (c) 2010-2022 Leandro Nini
 
 This version of the freely available sidplayfp player source code
 contains the following contributed or derived work. In the order they first
diff --git a/README b/README
index 5d185c2..f0ea621 100644
--- a/README
+++ b/README
@@ -8,7 +8,7 @@ to provide the best SID listening experience.
 
 Copyright (c) 2000 Simon White
 Copyright (c) 2007-2010 Antti Lankila
-Copyright (c) 2010-2021 Leandro Nini <drfiemost@users.sourceforge.net>
+Copyright (c) 2010-2022 Leandro Nini <drfiemost@users.sourceforge.net>
 
 
 
diff --git a/configure.ac b/configure.ac
index 10f43e3..dbe12c2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 dnl Process this file with autoconf to produce a configure script.
-AC_INIT([sidplayfp], [2.2.2], [], [], [https://github.com/libsidplayfp/sidplayfp/])
+AC_INIT([sidplayfp], [2.2.3], [], [], [https://github.com/libsidplayfp/sidplayfp/])
 AC_CONFIG_SRCDIR([src/main.cpp])
 AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_MACRO_DIR([m4])