diff --git a/pyerrors/version.py b/pyerrors/version.py
index 8c0d5d5b..1452f094 100644
--- a/pyerrors/version.py
+++ b/pyerrors/version.py
@@ -1 +1 @@
-__version__ = "2.0.0"
+__version__ = "2.0.0+dev"
diff --git a/setup.py b/setup.py
index 5a971d92..cef96ece 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 from setuptools import setup, find_packages
 
 setup(name='pyerrors',
-      version='2.0.0',
+      version='2.0.0+dev',
       description='Error analysis for lattice QCD',
       author='Fabian Joswig',
       author_email='fabian.joswig@ed.ac.uk',