diff --git a/CHANGELOG b/CHANGELOG
index 9a98527e21..aaa988f228 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,5 @@
+Version 6.4.0 - 2022-05-02
+* Bug fixes (see mercurial logs for details)
 * Allow only lines with maturity date to be paid
 * Allow processing receivable payment without approval
 * Add submitted state to payment
diff --git a/COPYRIGHT b/COPYRIGHT
index 7fccda3bea..983ad2cd2f 100644
--- a/COPYRIGHT
+++ b/COPYRIGHT
@@ -1,5 +1,5 @@
-Copyright (C) 2013-2021 Cédric Krier.
-Copyright (C) 2013-2021 B2CK SPRL.
+Copyright (C) 2013-2022 Cédric Krier.
+Copyright (C) 2013-2022 B2CK SPRL.
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
diff --git a/tryton.cfg b/tryton.cfg
index c347680ebe..0d4d097b5c 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -1,5 +1,5 @@
 [tryton]
-version=6.3.0
+version=6.4.0
 depends:
     account
     company