diff --git a/setup.py b/setup.py
index 28b2c1c..2bee531 100644
--- a/setup.py
+++ b/setup.py
@@ -10,7 +10,7 @@
 PYTHONLIB = get_python_lib(1)
 
 setup(name="python-dateutil",
-      version = "0.9",
+      version = "1.0",
       description = "Extensions to the standard python 2.3+ datetime module",
       author = "Gustavo Niemeyer",
       author_email = "niemeyer@conectiva.com",