diff --git a/setup.py b/setup.py
index 814e057..c56498e 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@
 
 setuptools.setup(
     name="hercules",
-    version="0.4.0",
+    version="0.4.1",
     author="Florian Thomas, Mingyu (Charles) Li",
     author_email="fthomas@uni-mainz.de, mingyuli@mit.edu",
     description="https://github.com/project8/hercules",