diff --git a/CHANGELOG.md b/CHANGELOG.md
index d570479..94dd925 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@
 
 [1]: https://pypi.org/project/google-auth/#history
 
+## [1.22.0](https://www.github.com/googleapis/google-auth-library-python/compare/v1.21.3...v1.22.0) (2020-09-28)
+
+
+### Features
+
+* add asyncio based auth flow ([#612](https://www.github.com/googleapis/google-auth-library-python/issues/612)) ([7e15258](https://www.github.com/googleapis/google-auth-library-python/commit/7e1525822d51bd9ce7dffca42d71313e6e776fcd)), closes [#572](https://www.github.com/googleapis/google-auth-library-python/issues/572)
+
 ### [1.21.3](https://www.github.com/googleapis/google-auth-library-python/compare/v1.21.2...v1.21.3) (2020-09-22)
 
 
diff --git a/setup.py b/setup.py
index dd58f30..bbc8923 100644
--- a/setup.py
+++ b/setup.py
@@ -34,7 +34,7 @@
 with io.open("README.rst", "r") as fh:
     long_description = fh.read()
 
-version = "1.21.3"
+version = "1.22.0"
 
 setup(
     name="google-auth",