diff --git a/CHANGELOG.md b/CHANGELOG.md
index cd6293b..a62b20f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,7 @@ All notable changes to `libcasm-mapping` will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [v2.0a2]
+## [v2.0a2] - 2023-12-01
 
 ### Fixed
 
diff --git a/pyproject.toml b/pyproject.toml
index 962941c..0bfd055 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "libcasm-mapping"
-version = "2.0a1"
+version = "2.0a2"
 authors = [
   { name="CASM developers", email="casm-developers@lists.engr.ucsb.edu" },
 ]
diff --git a/python/doc/conf.py b/python/doc/conf.py
index d13d16f..1daf12d 100644
--- a/python/doc/conf.py
+++ b/python/doc/conf.py
@@ -96,7 +96,7 @@
 # The short X.Y version.
 version = "2.0"
 # The full version, including alpha/beta/rc tags.
-release = "2.0a1"
+release = "2.0a2"
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/python/setup.py b/python/setup.py
index d86fa06..898d697 100644
--- a/python/setup.py
+++ b/python/setup.py
@@ -1,6 +1,6 @@
 import os
 
-__version__ = "2.0a1"
+__version__ = "2.0a2"
 
 # Available at setup time due to pyproject.toml
 from pybind11.setup_helpers import Pybind11Extension, build_ext
diff --git a/setup.py b/setup.py
index 56cd3ee..e96efa9 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 
 setup(
     name="libcasm-mapping",
-    version="2.0a1",
+    version="2.0a2",
     packages=[
         "libcasm",
         "libcasm.mapping",