v2.21.0
diff --git a/HISTORY.md b/HISTORY.md
index bfc2ee5..1d0bd07 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -8,6 +8,13 @@
- \[Short description of non-trivial change.\]
+2.21.0 (2018-12-10)
+-------------------
+
+**Dependencies**
+
+- Requests now supports idna v2.8.
+
2.20.1 (2018-11-08)
-------------------
diff --git a/requests/__version__.py b/requests/__version__.py
index 803773a..f5b5d03 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__ = '2.20.1'
-__build__ = 0x022001
+__version__ = '2.21.0'
+__build__ = 0x022100
__author__ = 'Kenneth Reitz'
__author_email__ = 'me@kennethreitz.org'
__license__ = 'Apache 2.0'