diff --git a/docs/releases/1.18-NOTES.md b/docs/releases/1.18-NOTES.md
index cc445d09b0..cf5acfc846 100644
--- a/docs/releases/1.18-NOTES.md
+++ b/docs/releases/1.18-NOTES.md
@@ -24,6 +24,8 @@
 
 * GCE has a new flag: `--gce-service-account`. This takes the email of an existing GCP service account and launches the instances with it. This setting applies to the whole cluster (ie: it is not currently designed to support Instance Groups with different service accounts). If you do not specify a service account during cluster creation, the default compute service account will be used which matches the prior behavior.
 
+* Google API client libraries updated from v0.beta to v1.
+
 # Breaking changes
 
 * Support for Docker versions 1.11, 1.12 and 1.13 has been removed because of the [dockerproject.org shut down](https://www.docker.com/blog/changes-dockerproject-org-apt-yum-repositories/). Those affected must upgrade to a newer Docker version.