diff --git a/CHANGELOG.md b/CHANGELOG.md
index b34d8023..86e9bc6d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@ BACKWARDS INCOMPATIBILITIES:
 * bigtable: `google_bigtable_instance.cluster.num_nodes` will fail at plan time if `DEVELOPMENT` instances have `num_nodes = "0"` set explicitly. If it has been set, unset the field. [GH-2401]
 * cloudbuild: `google_cloudbuild_trigger.build.step.args` is now a list instead of space separated strings. [GH-2790]
 * cloudfunctions: `google_cloudfunctions_function.retry_on_failure` has been removed. Use `event_trigger.failure_policy.retry` instead. [GH-2392]
+* composer: `google_composer_environment.node_config.zone` is now `Required`. [GH-2967]
 * compute: `google_compute_instance`, `google_compute_instance_from_template` `metadata` field is now authoritative and will remove values not explicitly set in config. [GH-2208]
 * compute: `google_compute_project_metadata` resource is now authoritative and will remove values not explicitly set in config. [GH-2205]
 * compute: `google_compute_url_map` resource is now authoritative and will remove values not explicitly set in config. [GH-2245]