diff --git a/CHANGELOG.md b/CHANGELOG.md
index 056aeac..3e5b77b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@
 
 [1]: https://pypi.org/project/google-auth/#history
 
+## [2.2.0](https://www.github.com/googleapis/google-auth-library-python/compare/v2.1.0...v2.2.0) (2021-09-21)
+
+
+### Features
+
+* add support for workforce pool credentials ([#868](https://www.github.com/googleapis/google-auth-library-python/issues/868)) ([993bab2](https://www.github.com/googleapis/google-auth-library-python/commit/993bab2aaacf3034e09d9f0f25d36c0e815d3a29))
+
 ## [2.1.0](https://www.github.com/googleapis/google-auth-library-python/compare/v2.0.2...v2.1.0) (2021-09-10)
 
 
diff --git a/google/auth/version.py b/google/auth/version.py
index a02dc8a..b423306 100644
--- a/google/auth/version.py
+++ b/google/auth/version.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "2.1.0"
+__version__ = "2.2.0"