diff --git a/CHANGELOG.md b/CHANGELOG.md
index c608a60..9363d5a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,24 @@
 
 [1]: https://pypi.org/project/google-cloud-iam/#history
 
+### [2.3.1](https://www.github.com/googleapis/python-iam/compare/v2.3.0...v2.3.1) (2021-07-26)
+
+
+### Bug Fixes
+
+* **deps:** pin 'google-{api,cloud}-core', 'google-auth' to allow 2.x versions ([#98](https://www.github.com/googleapis/python-iam/issues/98)) ([4d37f49](https://www.github.com/googleapis/python-iam/commit/4d37f496d529d60443dab2f8812d0859abed3979))
+* enable self signed jwt for grpc ([#104](https://www.github.com/googleapis/python-iam/issues/104)) ([d40d70e](https://www.github.com/googleapis/python-iam/commit/d40d70e84a35e00f946a8b30591869a7829b7398))
+
+
+### Documentation
+
+* add Samples section to CONTRIBUTING.rst ([#99](https://www.github.com/googleapis/python-iam/issues/99)) ([8c0c465](https://www.github.com/googleapis/python-iam/commit/8c0c465225aa7398caa31f50a2ed0788cbc7140e))
+
+
+### Miscellaneous Chores
+
+* release as 2.3.1 ([#103](https://www.github.com/googleapis/python-iam/issues/103)) ([e5a3d4b](https://www.github.com/googleapis/python-iam/commit/e5a3d4b3951e413db7be208ce853c779ff3d4571))
+
 ## [2.3.0](https://www.github.com/googleapis/python-iam/compare/v2.2.0...v2.3.0) (2021-07-01)
 
 
diff --git a/setup.py b/setup.py
index 44a4171..3eb3c11 100644
--- a/setup.py
+++ b/setup.py
@@ -21,7 +21,7 @@
 
 name = "google-cloud-iam"
 description = "IAM Service Account Credentials API client library"
-version = "2.3.0"
+version = "2.3.1"
 # Should be one of:
 # 'Development Status :: 3 - Alpha'
 # 'Development Status :: 4 - Beta'