diff --git a/CHANGES.rst b/CHANGES.rst
index 912dc30c8..b35e76335 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -2,6 +2,16 @@
 Changelog
 =========
 
+Version 13.4.1
+==============
+*Released 2021-03-14*
+
+**Hot fix release:**
+
+- Fixed a bug in ``setup.py`` (`#2431`_)
+
+.. _`#2431`: https://github.com/python-telegram-bot/python-telegram-bot/pull/2431
+
 Version 13.4
 ============
 *Released 2021-03-14*
diff --git a/docs/source/conf.py b/docs/source/conf.py
index f5067a316..d08f120e9 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -61,9 +61,9 @@ author = u'Leandro Toledo'
 # built documents.
 #
 # The short X.Y version.
-version = '13.4'  # telegram.__version__[:3]
+version = '13.4.1'  # telegram.__version__[:3]
 # The full version, including alpha/beta/rc tags.
-release = '13.4'  # telegram.__version__
+release = '13.4.1'  # telegram.__version__
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/telegram/version.py b/telegram/version.py
index 9dad1aa12..f237facf9 100644
--- a/telegram/version.py
+++ b/telegram/version.py
@@ -20,5 +20,5 @@
 
 from telegram import constants
 
-__version__ = '13.4'
+__version__ = '13.4.1'
 bot_api_version = constants.BOT_API_VERSION  # pylint: disable=C0103