diff --git a/CHANGES.rst b/CHANGES.rst
index 51946ea7e896a676da9fb31ec236767eceb1c967..f3f1e2fc36ec43a4f2094f4f1a686417f6065d4c 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -4,6 +4,12 @@ Changelog
 This is a record of changes made between each Mutalyzer release.
 
 
+Version 2.0.1
+-------------
+
+Release date to be decided.
+
+
 Version 2.0.0
 -------------
 
diff --git a/mutalyzer/__init__.py b/mutalyzer/__init__.py
index 159ad2bac3484f1464875fa6cf5c8e51b90bf674..ea49f8c3d240ef5efc41681559b03135566b67d8 100644
--- a/mutalyzer/__init__.py
+++ b/mutalyzer/__init__.py
@@ -14,7 +14,7 @@ HGVS variant nomenclature checker.
 # [1] http://peak.telecommunity.com/DevCenter/setuptools#specifying-your-project-s-version
 # [2] http://semver.org/
 
-__version_info__ = ('2', '0', '0')
+__version_info__ = ('2', '0', '1', 'dev')
 __date__ = '26 Sep 2014'