diff --git a/docs/releasenotes.rst b/docs/releasenotes.rst
index fa39ac370c7a1f3b6da2c702e5d1076d4b194c5c..ad4f5db43c2305571222d49f3c9c329ef7469fa3 100644
--- a/docs/releasenotes.rst
+++ b/docs/releasenotes.rst
@@ -155,6 +155,11 @@ upgrade to Python 3.x, dropping support for Python 2.7.
     limit for the SMTP server to accept via
     ``mail_message_size_limit`` role parameter.
 
+* ``xmpp_server`` role
+
+  * Server now supports blocking users via `XEP-0191: Blocking Command
+    <https://xmpp.org/extensions/xep-0191.html>`_.
+
 **Deprecations:**
 
 * ``backup_server`` and ``backup_client`` role