diff --git a/bt5/erp5_payroll/bt/change_log b/bt5/erp5_payroll/bt/change_log
index 9624d172b43273b59dd181ae8b680394b18342b9..a7801c5c817ed97782a6f6b76715d4a2f1c6d912 100644
--- a/bt5/erp5_payroll/bt/change_log
+++ b/bt5/erp5_payroll/bt/change_log
@@ -1,3 +1,6 @@
+2008-01-24 fabien
+* set version number to 2.1 : this bt is the second version of payroll.
+
 2007-10-16 fabien
 * add Pay Sheet Model | Pay Sheet Model Ratio Line in allowed content type
 
diff --git a/bt5/erp5_payroll/bt/version b/bt5/erp5_payroll/bt/version
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..42f7d2336ea8af8809e792542d9afecad772baf2 100644
--- a/bt5/erp5_payroll/bt/version
+++ b/bt5/erp5_payroll/bt/version
@@ -0,0 +1 @@
+2.1
\ No newline at end of file