diff --git a/pylast/__init__.py b/pylast/__init__.py
index d91033a..40b9f07 100644
--- a/pylast/__init__.py
+++ b/pylast/__init__.py
@@ -31,7 +31,7 @@ import tempfile
 import time
 import xml.dom
 
-__version__ = '2.0.0'
+__version__ = '2.1.0.dev0'
 __author__ = 'Amr Hassan, hugovk, Mice Pápai'
 __copyright__ = ('Copyright (C) 2008-2010 Amr Hassan, 2013-2017 hugovk, '
                  '2017 Mice Pápai')
diff --git a/setup.py b/setup.py
index 9090cff..2a6ae2a 100755
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@ from setuptools import find_packages, setup
 
 setup(
     name="pylast",
-    version="2.0.0",
+    version="2.1.0.dev0",
     author="Amr Hassan <amr.hassan@gmail.com>",
     install_requires=['six'],
     tests_require=['mock', 'pytest', 'coverage', 'pycodestyle', 'pyyaml',