diff --git a/CHANGES.txt b/CHANGES.txt
index 37919da..19576d7 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,6 +1,10 @@
 Changelog
 =========
 
+2.1.1 - unreleased
+------------------
+
+
 2.1.0 - 2010-09-19
 ------------------
 
diff --git a/setup.py b/setup.py
index 04defdb..5b7bc26 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,6 @@
 from setuptools import setup, find_packages
 
-version = '2.1.0'
+version = '2.1.1'
 
 
 setup(name='Products.Maps',