diff --git a/dist/scadnano-0.5.0.tar.gz b/dist/scadnano-0.5.0.tar.gz
new file mode 100644
index 00000000..ae7bff9b
Binary files /dev/null and b/dist/scadnano-0.5.0.tar.gz differ
diff --git a/publish_to_pypi.bat b/publish_to_pypi.bat
index 419695d3..80984be9 100644
--- a/publish_to_pypi.bat
+++ b/publish_to_pypi.bat
@@ -2,4 +2,5 @@ rem https://medium.com/@joel.barmettler/how-to-upload-your-python-package-to-pyp
 
 rem !!!change setup.py to current version number!!!
 python setup.py sdist
-twine upload dist/*
+rem twine upload dist/*
+twine upload dist/scadnano-x.x.x.tar.gz
diff --git a/scadnano/scadnano.py b/scadnano/scadnano.py
index 501cc063..274daea7 100644
--- a/scadnano/scadnano.py
+++ b/scadnano/scadnano.py
@@ -290,7 +290,7 @@ class Grid(str, enum.Enum):
 ##########################################################################
 # constants
 
-current_version: str = "0.4.0"
+current_version: str = "0.5.0"
 initial_version: str = "0.1.0"
 
 default_idt_scale = "25nm"
diff --git a/setup.py b/setup.py
index 85c1661a..c71ad302 100644
--- a/setup.py
+++ b/setup.py
@@ -2,6 +2,8 @@
 
 from distutils.core import setup
 
+import scadnano
+
 # read the contents of your README file
 from os import path
 this_directory = path.abspath(path.dirname(__file__))
@@ -10,7 +12,7 @@
 
 setup(name='scadnano',
       packages=['scadnano'],
-      version='0.4.0',
+      version=scadnano.current_version,
       license='MIT',
       description="Python scripting library for generating designs readable by scadnano.",
       author="David Doty",