diff --git a/setup.py b/setup.py
index 1fc628f49e212466fbe2982e39ff96f86817cd99..732ac3a2e2fb557365a9975c858f8040300ac0b9 100644
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@ distribute_setup.use_setuptools()
 from setuptools import setup
 
 setup(name="pymbolic",
-      version="2012.1",
+      version="2013.1",
       description="A package for symbolic computation",
       long_description="""
       Pymbolic is a small symbolic manipulation library. Two things set it apart