diff --git a/orbitize/__init__.py b/orbitize/__init__.py
index 1bebb014..1eff7b10 100644
--- a/orbitize/__init__.py
+++ b/orbitize/__init__.py
@@ -1,6 +1,6 @@
 import os
 
-__version__ = "3.0.1"
+__version__ = "3.1.0"
 
 # set Python env variable to keep track of example data dir
 orbitize_dir = os.path.dirname(__file__)