diff --git a/CHANGELOG.md b/CHANGELOG.md
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--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 ## 2.1.0 (Unreleased)
 
+FEATURES:
+* **New Datasource**: `google_client_openid_userinfo` for retrieving the `email` used to authenticate with GCP. [GH-459]
+
 ENHANCEMENTS:
 * compute: `data.google_compute_subnetwork` can now be addressed by `self_link` as an alternative to the existing `name`/`region`/`project` fields. [GH-3040]
 * pubsub: `google_pubsub_topic` is now generated using Magic Modules, adding Open in Cloud Shell examples, configurable timeouts, and the `labels` field. [GH-3043]