diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0d49b97..61789db 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,18 @@
 # Changelog
 
+### [1.2.1](https://www.github.com/googleapis/python-eventarc/compare/v1.2.0...v1.2.1) (2021-11-01)
+
+
+### Bug Fixes
+
+* **deps:** drop packaging dependency ([f509558](https://www.github.com/googleapis/python-eventarc/commit/f509558fe1967d7b0fc65c27a1a0f498bddaa915))
+* **deps:** require google-api-core >= 1.28.0 ([f509558](https://www.github.com/googleapis/python-eventarc/commit/f509558fe1967d7b0fc65c27a1a0f498bddaa915))
+
+
+### Documentation
+
+* list oneofs in docstring ([f509558](https://www.github.com/googleapis/python-eventarc/commit/f509558fe1967d7b0fc65c27a1a0f498bddaa915))
+
 ## [1.2.0](https://www.github.com/googleapis/python-eventarc/compare/v1.1.0...v1.2.0) (2021-10-14)
 
 
diff --git a/setup.py b/setup.py
index 1d3ade9..6b4aa5c 100644
--- a/setup.py
+++ b/setup.py
@@ -22,7 +22,7 @@
 
 name = "google-cloud-eventarc"
 description = "Eventarc API client library"
-version = "1.2.0"
+version = "1.2.1"
 release_status = "Development Status :: 5 - Production/Stable"
 url = "https://github.com/googleapis/python-eventarc"
 dependencies = [