diff --git a/setup.py b/setup.py
index d0eead2..535cc72 100644
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@
 
 setup(
     name='geojsoncontour',
-    version='0.3.2',
+    version='0.4.0',
     description='Convert matplotlib contour plots to geojson',
     long_description=long_description,
     long_description_content_type="text/markdown",