diff --git a/setup.py b/setup.py
index 2c7e362..7511785 100644
--- a/setup.py
+++ b/setup.py
@@ -31,7 +31,7 @@ def install_requires():
 
 setup(
     name='python-interface',
-    version='1.3.0',
+    version='1.4.0',
     description="Pythonic Interface definitions",
     author="Scott Sanderson",
     author_email="scott.b.sanderson90@gmail.com",