diff --git a/setup.py b/setup.py
index bcd00b5747c..2cca84f5df5 100755
--- a/setup.py
+++ b/setup.py
@@ -291,7 +291,7 @@ def build_extension(self, ext, *args, **kargs):
 
 setup(
   name = 'Cython',
-  version = version,
+  version = "0.21",
   url = 'http://www.cython.org',
   author = 'Robert Bradshaw, Stefan Behnel, Dag Seljebotn, Greg Ewing, et al.',
   author_email = 'cython-devel@python.org',