diff --git a/pycm/pycm_param.py b/pycm/pycm_param.py
index <HASH>..<HASH> 100644
--- a/pycm/pycm_param.py
+++ b/pycm/pycm_param.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 """Parameters and constants."""
-VERSION = "1.9"
+VERSION = "2.0"
 
 
 OVERVIEW = '''
fix : version tag in pycm_param fixed