diff --git a/2.0/Python/setup.py b/2.0/Python/setup.py
index 547549e8..f44130ab 100644
--- a/2.0/Python/setup.py
+++ b/2.0/Python/setup.py
@@ -80,7 +80,7 @@
 
 setuptools.setup(
     name="Pgenlib",
-    version="0.90.2",
+    version="0.91.0",
     author="Christopher Chang",
     author_email="chrchang@alumni.caltech.edu",
     description="Python wrapper for pgenlib's basic reader and writer.",