diff --git a/ChangeLog.md b/ChangeLog.md
index ddf7074..90ee101 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -10,6 +10,11 @@ repository history](https://github.com/ddclient/ddclient/commits/master).
   * Unencrypted (plain) HTTP is now used instead of encrypted (TLS) HTTP if the
     URL uses `http://` instead of `https://`, even if the `--ssl` option is
     enabled.  [#608](https://github.com/ddclient/ddclient/pull/608)
+  * The `googledomains` built-in web IP discovery service
+    (`--webv4=googledomains`, `--webv6=googledomains`, and
+    `--web=googledomains`) is deprecated due to the service shutting down.  It
+    will be removed in a future version of ddclient.
+    [5b104ad1](https://github.com/ddclient/ddclient/commit/5b104ad116c023c3760129cab6e141f04f72b406)
   * The default web service for `--webv4` and `--webv6` has changed from Google
     Domains (which is shutting down) to ipify.
     [5b104ad1](https://github.com/ddclient/ddclient/commit/5b104ad116c023c3760129cab6e141f04f72b406)