diff --git a/CHANGELOG.md b/CHANGELOG.md
index 00a8aae50..c081b3cd2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,13 @@
 [1]: https://pypi.org/project/google-cloud-pubsub/#history
 
 
+### [2.9.1](https://github.com/googleapis/python-pubsub/compare/v2.9.0...v2.9.1) (2022-01-20)
+
+
+### Bug Fixes
+
+* refactor client classes for safer type checking ([#552](https://github.com/googleapis/python-pubsub/issues/552)) ([7f705be](https://github.com/googleapis/python-pubsub/commit/7f705beb927383f14b9d56f0341ee0de101f7c05))
+
 ## [2.9.0](https://www.github.com/googleapis/python-pubsub/compare/v2.8.0...v2.9.0) (2021-11-10)
 
 
diff --git a/setup.py b/setup.py
index e35af7289..35b79985f 100644
--- a/setup.py
+++ b/setup.py
@@ -22,7 +22,7 @@
 
 name = "google-cloud-pubsub"
 description = "Google Cloud Pub/Sub API client library"
-version = "2.9.0"
+version = "2.9.1"
 # Should be one of:
 # 'Development Status :: 3 - Alpha'
 # 'Development Status :: 4 - Beta'