diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9f15823..1b4301f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+### [1.2.2](https://www.github.com/googleapis/python-shell/compare/v1.2.1...v1.2.2) (2022-01-07)
+
+
+### Bug Fixes
+
+* provide appropriate mock values for message body fields ([24cf144](https://www.github.com/googleapis/python-shell/commit/24cf144d17b64dc71a5182d1ccbc44444bd68450))
+
 ### [1.2.1](https://www.github.com/googleapis/python-shell/compare/v1.2.0...v1.2.1) (2021-11-01)
 
 
diff --git a/setup.py b/setup.py
index ba53e0a..1cc7833 100644
--- a/setup.py
+++ b/setup.py
@@ -22,7 +22,7 @@
 
 name = "google-cloud-shell"
 description = "Cloud Shell API client library"
-version = "1.2.1"
+version = "1.2.2"
 release_status = "Development Status :: 5 - Production/Stable"
 url = "https://github.com/googleapis/python-shell"
 dependencies = [