CHANGELOG.md in knife-google-2.1.0 vs CHANGELOG.md in knife-google-2.2.0

- old
+ new
@@ -1,7 +1,13 @@
 # knife-google Change Log
 
-## v2.1.0 (2016-03-04
+## v2.2.0 (2016-03-17)
+
+ * [pr#102](https://github.com/chef/knife-google/pull/102) Added support for preemptible instances
+ * [pr#103](https://github.com/chef/knife-google/pull/103) Added support for deploying instances on subnetworks
+ * [pr#103](https://github.com/chef/knife-google/pull/104) Added gcloud-style image aliases (i.e. image "centos-7" will get you the latest CentOS 7 disk image)
+
+## v2.1.0 (2016-03-04)
  * [pr#99](https://github.com/chef/knife-google/pull/99) Support service account scope aliases, similar to the gcloud SDK
  * [pr#101](https://github.com/chef/knife-google/pull/101) Set the application name and version on the API object for proper user-agent formatting
 
 ## v2.0.0 (2016-03-01)
  * [pr#94](https://github.com/chef/knife-google/pull/94) Full rewrite using knife-cloud, newer Google API client library, Windows instance support, and better user feedback.