diff --git a/CHANGELOG.md b/CHANGELOG.md
index 644ceae..ba17389 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+### [2.2.1](https://www.github.com/googleapis/python-containeranalysis/compare/v2.2.0...v2.2.1) (2021-02-09)
+
+
+### Documentation
+
+* update python contributing guide ([#89](https://www.github.com/googleapis/python-containeranalysis/issues/89)) ([fd356af](https://www.github.com/googleapis/python-containeranalysis/commit/fd356afb7010186559ebdd621c6c2e7012826a81))
+
 ## [2.2.0](https://www.github.com/googleapis/python-containeranalysis/compare/v2.1.0...v2.2.0) (2021-01-06)
 
 
diff --git a/setup.py b/setup.py
index 53d65e6..c1ab717 100644
--- a/setup.py
+++ b/setup.py
@@ -22,7 +22,7 @@
 
 name = "google-cloud-containeranalysis"
 description = "Container Analysis API API client library"
-version = "2.2.0"
+version = "2.2.1"
 release_status = "Development Status :: 5 - Production/Stable"
 dependencies = [
     "google-api-core[grpc] >= 1.22.0, < 2.0.0dev",