diff --git a/src/plotly_3d_primitives/__init__.py b/src/plotly_3d_primitives/__init__.py
index 0c4d8a2..fb7bb09 100644
--- a/src/plotly_3d_primitives/__init__.py
+++ b/src/plotly_3d_primitives/__init__.py
@@ -3,6 +3,6 @@
 shapes in plotly
 """
 
-__version__ = "0.3.0"
+__version__ = "0.4.0"
 
 from .shapes import *