diff --git a/activitysim/__init__.py b/activitysim/__init__.py
index ae6984b5e..97740e066 100644
--- a/activitysim/__init__.py
+++ b/activitysim/__init__.py
@@ -2,5 +2,5 @@
 # See full license in LICENSE.txt.
 
 
-__version__ = '1.0'
+__version__ = '1.0.1'
 __doc__ = 'Activity-Based Travel Modeling'