diff --git a/setup.py b/setup.py
index fa73a4b..2de7271 100755
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 from setuptools import setup
 
 setup(name='rsa',
-	version='1.2',
+	version='1.3-beta0',
     description='Pure-Python RSA implementation', 
     author='Sybren Stuvel',
     author_email='sybren@stuvel.eu',