diff --git a/packaging/__about__.py b/packaging/__about__.py
index 0b163b80..1391863f 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__ = "21.4.dev0"
+__version__ = "22.0"
 
 __author__ = "Donald Stufft and individual contributors"
 __email__ = "donald@stufft.io"
diff --git a/pyproject.toml b/pyproject.toml
index fb60c83a..b8d40174 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ build-backend = "flit_core.buildapi"
 [project]
 name = "packaging"
 description = "Core utilities for Python packages"
-version = "21.4.dev0"
+version = "22.0"
 readme = "README.rst"
 requires-python = ">=3.7"
 authors = [{name = "Donald Stufft", email = "donald@stufft.io"}]