diff --git a/CHANGES.txt b/CHANGES.txt
index b19f549e..d9e71629 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,3 +1,12 @@
+Version 1.2.0.3
+2017-03-20
+- #310 Support AIS Markings
+
+Version 1.1.1.8
+2017-01-18
+- Update to support Python 3.
+- Convert to use mixbox.
+
 Version 1.2.0.2
 2016-11-02
 - #309 Correctly return a single observable from Indicator.observables.
@@ -139,7 +148,7 @@ Version 1.1.0.4
 2014-02-31
 - Added COAs, Exploit Targets, Campaigns, and Related Packages to STIXPackage class
 - Updated behavior of id, idref, and timestamp on core STIX constructs to align with best practices
-- Added MAEC malware extension 
+- Added MAEC malware extension
 - Improved Identity extension mechanism
 - Added Sightings to Indicator
 - Updates to OpenIOC test mechanism extension
@@ -149,7 +158,7 @@ Version 1.1.0.4
 - Added Handling support to Indicator
 - Added several fields to COA and Exploit Target
 - Bug fixes
- 
+
 Version 1.1.0.3
 2014-02-24
 - Added TTP structure (stix.ttp.TTP)
@@ -179,7 +188,7 @@ Version 1.1.0.1
 - Fixed several CIQ Identity extension bugs
 - Improved namespace parser performance
 - Updated Incident test
-- Added initial code for better support of non-standard id namespaces in input documents 
+- Added initial code for better support of non-standard id namespaces in input documents
 
 Version 1.1.0.0
 2014-02-20
@@ -239,7 +248,7 @@ Version 1.0.0a5
 2013-06-27
 - Improved README documentation
 - Fixed interface issues between python-stix and python-cybox classes
-- Added support for additional namespaces to be added to STIXPackage.to_xml() 
+- Added support for additional namespaces to be added to STIXPackage.to_xml()
 - Fixed installation issues with pip and setup.py
 
 Version 1.0.0a4
diff --git a/docs/index.rst b/docs/index.rst
index 59107315..a5b564a3 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -22,17 +22,17 @@ version of STIX.
 ============ ===================
 STIX Version python-stix Version
 ============ ===================
-1.2          1.2.0.2 (`PyPI`__) (`GitHub`__)
-1.1.1        1.1.1.7 (`PyPI`__) (`GitHub`__)
+1.2          1.2.0.3 (`PyPI`__) (`GitHub`__)
+1.1.1        1.1.1.8 (`PyPI`__) (`GitHub`__)
 1.1.0        1.1.0.6 (`PyPI`__) (`GitHub`__)
 1.0.1        1.0.1.1 (`PyPI`__) (`GitHub`__)
 1.0          1.0.0a7 (`PyPI`__) (`GitHub`__)
 ============ ===================
 
-__ https://pypi.python.org/pypi/stix/1.2.0.2
-__ https://github.com/STIXProject/python-stix/tree/v1.2.0.2
-__ https://pypi.python.org/pypi/stix/1.1.1.7
-__ https://github.com/STIXProject/python-stix/tree/v1.1.1.7
+__ https://pypi.python.org/pypi/stix/1.2.0.3
+__ https://github.com/STIXProject/python-stix/tree/v1.2.0.3
+__ https://pypi.python.org/pypi/stix/1.1.1.8
+__ https://github.com/STIXProject/python-stix/tree/v1.1.1.8
 __ https://pypi.python.org/pypi/stix/1.1.0.6
 __ https://github.com/STIXProject/python-stix/tree/v1.1.0.6
 __ https://pypi.python.org/pypi/stix/1.0.1.1
@@ -84,4 +84,3 @@ Indices and tables
 * :ref:`genindex`
 * :ref:`modindex`
 * :ref:`search`
-
diff --git a/stix/version.py b/stix/version.py
index fa7f4fdc..d1f9539c 100644
--- a/stix/version.py
+++ b/stix/version.py
@@ -1,4 +1,4 @@
 # Copyright (c) 2017, The MITRE Corporation. All rights reserved.
 # See LICENSE.txt for complete terms.
 
-__version__ = "1.2.0.3.dev0"
+__version__ = "1.2.0.3"