diff --git a/setup.py b/setup.py
index acc5f6ddc460bee355c26c65dd68b0e8350cb04e..43d7489cb33258e0b2d760f8a0e9a39a13db2ca0 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@ setup(
     author='Bruce Flynn',
     author_email='brucef@ssec.wisc.edu',
     description='Utilities for working with EDOS L0 PDS files',
-    version='0.4.1',
+    version='0.5b',
     zip_safe=False,
     packages=find_packages(),
     install_requires=[