diff --git a/setup.py b/setup.py
index 6ba8fed..6293fce 100644
--- a/setup.py
+++ b/setup.py
@@ -10,7 +10,7 @@
 install_requires = ["pandas", "numpy", "matplotlib", "matplotlib-inline<=0.1.3"]
 setup(
     name="forestplot",
-    version="0.3.1",
+    version="0.4.0",
     license="MIT",
     author="Lucas Shen",
     author_email="lucas@lucasshen.com",