diff --git a/setup.py b/setup.py
index 62c2cb164e9068dea37c4a770110312f53d5bdc2..76fd567ba8c3d80bfea87bad21e7c1755c1db479 100644
--- a/setup.py
+++ b/setup.py
@@ -10,7 +10,7 @@ except ImportError:
     from distutils.command.build_py import build_py
 
 setup(name="pytools",
-      version="2013.5",
+      version="2013.5.1",
       description="A collection of tools for Python",
       long_description="""
       Pytools is a big bag of things that are "missing" from the Python standard