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
diff --git a/roles/xmpp_server/molecule/default/tests/test_default.py b/roles/xmpp_server/molecule/default/tests/test_default.py
index 4223b36f22982762ce29c6f20a14086b5b379821..7d13bcf0a6fd046c18e52ed97d93cb106ad58444 100644
--- a/roles/xmpp_server/molecule/default/tests/test_default.py
+++ b/roles/xmpp_server/molecule/default/tests/test_default.py
@@ -292,6 +292,7 @@ def test_enabled_modules(host):
     expected_modules = [
         "admin_adhoc",
         "announce",
+        "blocklist",
         "dialback",
         "disco",
         "legacyauth",
diff --git a/roles/xmpp_server/templates/prosody.cfg.lua.j2 b/roles/xmpp_server/templates/prosody.cfg.lua.j2
index 473177abe889c084e9ce0bc7379a2ed090aa9ba8..029b32dc9e0e7c53dcd7df5a6b9eaf8cf2985c47 100644
--- a/roles/xmpp_server/templates/prosody.cfg.lua.j2
+++ b/roles/xmpp_server/templates/prosody.cfg.lua.j2
@@ -17,6 +17,7 @@ modules_enabled = {
 
   -- Not essential, but recommended
     "private"; -- Private XML storage (for room bookmarks, etc.)
+    "blocklist"; -- Allow users to block communications with other users
     "vcard"; -- Allow users to set vCards
 
   -- Nice to have