diff --git a/lib/py/setup.py b/lib/py/setup.py
index 5e4f923..c196415 100644
--- a/lib/py/setup.py
+++ b/lib/py/setup.py
@@ -66,7 +66,7 @@
         extensions = dict()
         
     setup(name = 'thrift',
-        version = '0.9.0-dev',
+        version = '1.0.0-dev',
         description = 'Python bindings for the Apache Thrift RPC system',
         author = ['Thrift Developers'],
         author_email = ['dev@thrift.apache.org'],