diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 9d9ede73..7017c788 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,8 +1,8 @@
 Changelog
 ---------
 
-*unreleased*
-~~~~~~~~~~~~
+21.0 - 2021-07-03
+~~~~~~~~~~~~~~~~~
 
 * `packaging` is now only compatible with Python 3.6 and above.
 * Add support for zip files in ``parse_sdist_filename`` (:issue:`429`)
diff --git a/packaging/__about__.py b/packaging/__about__.py
index 1c5fd07a..e70d692c 100644
--- a/packaging/__about__.py
+++ b/packaging/__about__.py
@@ -17,7 +17,7 @@
 __summary__ = "Core utilities for Python packages"
 __uri__ = "https://github.com/pypa/packaging"
 
-__version__ = "20.10.dev0"
+__version__ = "21.0"
 
 __author__ = "Donald Stufft and individual contributors"
 __email__ = "donald@stufft.io"