diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0cffc0261..50606fa7d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@
 
 [1]: https://pypi.org/project/google-auth/#history
 
+## [2.23.3](https://github.com/googleapis/google-auth-library-python/compare/v2.23.2...v2.23.3) (2023-10-05)
+
+
+### Bug Fixes
+
+* Serialize signer keys on __getstate__ for pickling ([#1394](https://github.com/googleapis/google-auth-library-python/issues/1394)) ([8b783b9](https://github.com/googleapis/google-auth-library-python/commit/8b783b904d6044433acc5ba0f0c166fc38b3ddb3)), closes [#1383](https://github.com/googleapis/google-auth-library-python/issues/1383)
+
 ## [2.23.2](https://github.com/googleapis/google-auth-library-python/compare/v2.23.1...v2.23.2) (2023-09-28)
 
 
diff --git a/google/auth/version.py b/google/auth/version.py
index 22e514f07..0fdb14ce3 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__ = "2.23.2"
+__version__ = "2.23.3"