diff --git a/CHANGELOG b/CHANGELOG
index f4f323f381..2dd9a19143 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,6 @@
+Version 5.6.0 - 2020-05-04
+* Bug fixes (see mercurial logs for details)
+
 Version 5.4.0 - 2019-11-04
 * Bug fixes (see mercurial logs for details)
 
diff --git a/COPYRIGHT b/COPYRIGHT
index 90d03c0669..32bf6fd412 100644
--- a/COPYRIGHT
+++ b/COPYRIGHT
@@ -1,6 +1,6 @@
-Copyright (C) 2006-2019 Cédric Krier.
+Copyright (C) 2006-2020 Cédric Krier.
 Copyright (C) 2009-2012 Bertrand Chenal.
-Copyright (C) 2009-2019 B2CK SPRL.
+Copyright (C) 2009-2020 B2CK SPRL.
 Copyright (C) 2008-2012 Udo Spallek.
 Copyright (C) 2008-2011 virtual things.
 
diff --git a/tryton.cfg b/tryton.cfg
index 90ee8e6ca1..2158021ec8 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -1,5 +1,5 @@
 [tryton]
-version=5.5.0
+version=5.6.0
 depends:
     ir
     res