diff --git a/CHANGES.rst b/CHANGES.rst
index 51fde919e..64ca871f0 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -2,6 +2,43 @@
 Changelog
 =========
 
+Version 20.0a2
+==============
+*Released 2022-06-27*
+
+This is the technical changelog for version 20.0a2. More elaborate release notes can be found in the news channel `@pythontelegrambotchannel <https://t.me/pythontelegrambotchannel>`_.
+
+Major Changes
+-------------
+
+- Full Support for API 6.1 (`#3112`_)
+
+New Features
+------------
+
+- Add Additional Shortcut Methods to ``Chat`` (`#3115`_)
+- Mermaid-based Example State Diagrams (`#3090`_)
+
+Minor Changes, Documentation Improvements and CI
+------------------------------------------------
+
+- Documentation Improvements (`#3103`_, `#3121`_, `#3098`_)
+- Stabilize CI (`#3119`_)
+- Bump ``pyupgrade`` from 2.32.1 to 2.34.0 (`#3096`_)
+- Bump ``furo`` from 2022.6.4 to 2022.6.4.1 (`#3095`_)
+- Bump ``mypy`` from 0.960 to 0.961 (`#3093`_)
+
+.. _`#3112`: https://github.com/python-telegram-bot/python-telegram-bot/pull/3112
+.. _`#3115`: https://github.com/python-telegram-bot/python-telegram-bot/pull/3115
+.. _`#3090`: https://github.com/python-telegram-bot/python-telegram-bot/pull/3090
+.. _`#3103`: https://github.com/python-telegram-bot/python-telegram-bot/pull/3103
+.. _`#3121`: https://github.com/python-telegram-bot/python-telegram-bot/pull/3121
+.. _`#3098`: https://github.com/python-telegram-bot/python-telegram-bot/pull/3098
+.. _`#3119`: https://github.com/python-telegram-bot/python-telegram-bot/pull/3119
+.. _`#3096`: https://github.com/python-telegram-bot/python-telegram-bot/pull/3096
+.. _`#3095`: https://github.com/python-telegram-bot/python-telegram-bot/pull/3095
+.. _`#3093`: https://github.com/python-telegram-bot/python-telegram-bot/pull/3093
+
 Version 20.0a1
 ==============
 *Released 2022-06-09*
diff --git a/docs/source/conf.py b/docs/source/conf.py
index ce2a1d227..c93f969f6 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -29,9 +29,9 @@ author = "Leandro Toledo"
 # built documents.
 #
 # The short X.Y version.
-version = "20.0a1"  # telegram.__version__[:3]
+version = "20.0a2"  # telegram.__version__[:3]
 # The full version, including alpha/beta/rc tags.
-release = "20.0a1"  # telegram.__version__
+release = "20.0a2"  # telegram.__version__
 
 # If your documentation needs a minimal Sphinx version, state it here.
 needs_sphinx = "4.5.0"
diff --git a/telegram/_version.py b/telegram/_version.py
index a68d5feb4..24e8fe195 100644
--- a/telegram/_version.py
+++ b/telegram/_version.py
@@ -50,7 +50,7 @@ class Version(NamedTuple):
         return version
 
 
-__version_info__ = Version(major=20, minor=0, micro=0, releaselevel="alpha", serial=1)
+__version_info__ = Version(major=20, minor=0, micro=0, releaselevel="alpha", serial=2)
 __version__ = str(__version_info__)
 
 # # SETUP.PY MARKER