diff --git a/LICENSE b/LICENSE
index 198ed941e930dcbedf7b6432ef68b05b4210a0f7..8c09e5d786e9f8da50441ba6455f2537c1a8db3d 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 BSD 3-Clause License
 
-Copyright (c) 2021, SOLEIL Synchrotron
+Copyright (c) 2021-2023, SOLEIL Synchrotron
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
diff --git a/mbtrack2/__init__.py b/mbtrack2/__init__.py
index 62a6923765cbd1985409cc71b19fcbd19f8c3590..ca33de1b40b2d16600698e8476137be481510c6e 100644
--- a/mbtrack2/__init__.py
+++ b/mbtrack2/__init__.py
@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+__version__="0.4"
 from mbtrack2.tracking import *
 from mbtrack2.impedance import *
 from mbtrack2.instability import *