diff --git a/.changelog/3459.txt b/.changelog/3459.txt
new file mode 100644
index 00000000000..fbbf9850005
--- /dev/null
+++ b/.changelog/3459.txt
@@ -0,0 +1,3 @@
+```release-note:enhancement
+* container: added `kalm_config` addon to `google_container_cluster` (beta-only)
+```
diff --git a/website/docs/r/container_cluster.html.markdown b/website/docs/r/container_cluster.html.markdown
index da215e182ff..13d7db6360a 100644
--- a/website/docs/r/container_cluster.html.markdown
+++ b/website/docs/r/container_cluster.html.markdown
@@ -338,6 +338,9 @@ The `addons_config` block supports:
 * `gce_persistent_disk_csi_driver_config` - (Optional, [Beta](https://terraform.io/docs/providers/google/guides/provider_versions.html)).
     Whether this cluster should enable the Google Compute Engine Persistent Disk Container Storage Interface (CSI) Driver. Defaults to disabled; set `enabled = true` to enable. 
 
+* `kalm_config` - (Optional, [Beta](https://terraform.io/docs/providers/google/guides/provider_versions.html)).
+    Configuration for the KALM addon, which manages the lifecycle of k8s. It is disabled by default; Set `enabled = true` to enable. 
+
 This example `addons_config` disables two addons:
 
 ```hcl