diff --git a/CHANGES.rst b/CHANGES.rst
index 3fe9bb0e2..005a47204 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,3 +1,9 @@
+**2016-06-29**
+
+*Released 4.3.1*
+
+- Update wrong requirement: ``urllib3>=1.10``
+
 **2016-06-28**
 
 *Released 4.3*
diff --git a/telegram/__init__.py b/telegram/__init__.py
index 00d4f828a..134e56980 100644
--- a/telegram/__init__.py
+++ b/telegram/__init__.py
@@ -82,7 +82,7 @@ from .update import Update
 from .bot import Bot
 
 __author__ = 'devs@python-telegram-bot.org'
-__version__ = '4.3'
+__version__ = '4.3.1'
 __all__ = ['Audio', 'Bot', 'Chat', 'ChatMember', 'ChatAction', 'ChosenInlineResult',
            'CallbackQuery', 'Contact', 'Document', 'Emoji', 'File', 'ForceReply',
            'InlineKeyboardButton', 'InlineKeyboardMarkup', 'InlineQuery', 'InlineQueryResult',