diff --git a/setup.py b/setup.py
index d364845..e5d79cc 100644
--- a/setup.py
+++ b/setup.py
@@ -30,7 +30,7 @@ def readfile(filename, split=False):
 
 setup(
     name="scaffoldfitter",
-    version="0.8.3",
+    version="0.9.0",
     description="Scaffold/model geometric fitting library using Zinc.",
     long_description="\n".join(readme) + source_license,
     long_description_content_type="text/x-rst",