diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 31a2dcb8f..8b51784e2 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 1.0.3
+current_version = 1.0.4
 commit = True
 tag = True
 parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)(\.(?P<release>.*))?
diff --git a/activitysim/__init__.py b/activitysim/__init__.py
index 17ade8cdc..686f456fd 100644
--- a/activitysim/__init__.py
+++ b/activitysim/__init__.py
@@ -2,5 +2,5 @@
 # See full license in LICENSE.txt.
 
 
-__version__ = '1.0.3'
+__version__ = '1.0.4'
 __doc__ = 'Activity-Based Travel Modeling'