diff --git a/HISTORY.rst b/HISTORY.rst
index 70f8eab1..c7f82e03 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -3,6 +3,14 @@
 Release History
 ---------------
 
+2.17.3 (2017-05-29)
++++++++++++++++++++
+
+**Improvements**
+
+- Improved ``packages`` namespace identity support, for monkeypatching libraries.
+
+
 2.17.2 (2017-05-29)
 +++++++++++++++++++
 
diff --git a/requests/__version__.py b/requests/__version__.py
index 5055579e..dddd0349 100644
--- a/requests/__version__.py
+++ b/requests/__version__.py
@@ -5,8 +5,8 @@
 __title__ = 'requests'
 __description__ = 'Python HTTP for Humans.'
 __url__ = 'http://python-requests.org'
-__version__ = '2.17.2'
-__build__ = 0x021702
+__version__ = '2.17.3'
+__build__ = 0x021703
 __author__ = 'Kenneth Reitz'
 __author_email__ = 'me@kennethreitz.org'
 __license__ = 'Apache 2.0'