diff --git a/setup.py b/setup.py
index 92e4069..ffd41ba 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 
 setuptools.setup(
     name="molecular_builder",
-    version="0.3.0",
+    version="0.3.1",
     author="Henrik Andersen Sveinsson",
     author_email="henriasv@fys.uio.no",
     description="Package for building molecular systems",