diff --git a/CHANGELOG.md b/CHANGELOG.md
index c51f778e..0e860ec0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,7 +7,17 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
 
-## [2.3.3](https://github.com/NASA-AMMOS/AIT-Core/compare/2.3.2...2.3.3)
+## [2.3.4](https://github.com/NASA-AMMOS/AIT-Core/compare/2.3.3...2.3.4)
+
+### Merged
+
+- Issue #335 - Make Seq sequence id optional on initialization [`#336`](https://github.com/NASA-AMMOS/AIT-Core/pull/336)
+
+### Fixed
+
+- Issue #335 - Make Seq sequence id optional on initialization [`#335`](https://github.com/NASA-AMMOS/AIT-Core/issues/335)
+
+## [2.3.3](https://github.com/NASA-AMMOS/AIT-Core/compare/2.3.2...2.3.3) - 2021-03-19
 
 ### Merged
 
@@ -20,6 +30,10 @@ Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
 - Issue #330 - Fix seq encode / decode input format consistency [`#330`](https://github.com/NASA-AMMOS/AIT-Core/issues/330)
 - Issue #329 - Update Seq for configurable Magic number and command sizes [`#329`](https://github.com/NASA-AMMOS/AIT-Core/issues/329)
 
+### Commits
+
+- Prep for 2.3.3 release [`0a208c2`](https://github.com/NASA-AMMOS/AIT-Core/commit/0a208c2d03e5d6749b7976f22dcd4a79e5aef1a7)
+
 ## [2.3.2](https://github.com/NASA-AMMOS/AIT-Core/compare/2.3.1...2.3.2) - 2021-03-11
 
 ### Merged
diff --git a/doc/source/conf.py b/doc/source/conf.py
index e14f5944..5844db5c 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -65,9 +65,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = u'2.3.3'
+version = u'2.3.4'
 # The full version, including alpha/beta/rc tags.
-release = u'2.3.3'
+release = u'2.3.4'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/setup.py b/setup.py
index 265ae976..b57b0899 100644
--- a/setup.py
+++ b/setup.py
@@ -37,7 +37,7 @@ def run(self):
 
 setup(
     name         = 'ait-core',
-    version      = '2.3.3',
+    version      = '2.3.4',
     description  = description,
     long_description = long_description,
     long_description_content_type = 'text/x-rst',