diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 95c7a311..81df6bbf 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -3,6 +3,12 @@ Changelog
 
 This document describes changes between each past release.
 
+2.1.1 (unreleased)
+------------------
+
+- Nothing changed yet.
+
+
 2.1 (2018-02-16)
 ----------------
 
diff --git a/setup.py b/setup.py
index b623978b..ec40c852 100644
--- a/setup.py
+++ b/setup.py
@@ -37,7 +37,7 @@ ENTRY_POINTS = {
 
 
 setup(name='ihatemoney',
-      version='2.1',
+      version='2.1.1.dev0',
       description='A simple shared budget manager web application.',
       long_description="{}\n\n{}".format(README.encode('utf-8'), CHANGELOG.encode('utf-8')),
       license='Custom BSD Beerware',