diff --git a/nurbs/__init__.py b/nurbs/__init__.py
index 99fc8c6b..140355cb 100644
--- a/nurbs/__init__.py
+++ b/nurbs/__init__.py
@@ -24,4 +24,4 @@
 
 """
 
-__version__ = "2.3"
+__version__ = "2.3.1"