bumped to version 6.13.1
diff --git a/setup.py b/setup.py
index 86163e3..6c091db 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,7 @@
 from setuptools import setup, find_packages
 from pip.req import parse_requirements
 
-version = "6.13.0"
+version = "6.13.1"
 requirements = parse_requirements("requirements.txt", session="")
 
 setup(