diff --git a/setup.py b/setup.py
index e2effab..b98c5ac 100644
--- a/setup.py
+++ b/setup.py
@@ -66,7 +66,7 @@
     ext_modules = [ext] if with_binary else []
     setup(
         name='MarkupSafe',
-        version='0.20',
+        version='0.21',
         url='http://github.com/mitsuhiko/markupsafe',
         license='BSD',
         author='Armin Ronacher',