diff --git a/app/celery/nightly_tasks.py b/app/celery/nightly_tasks.py
index 8d96a0940..ef6b6f72d 100644
--- a/app/celery/nightly_tasks.py
+++ b/app/celery/nightly_tasks.py
@@ -185,6 +185,7 @@ def raise_alert_if_letter_notifications_still_sending():
 
             ticket = NotifySupportTicket(
                 subject=f"[{current_app.config['NOTIFY_ENVIRONMENT']}] Letters still sending",
+                email_ccs=current_app.config['DVLA_EMAIL_ADDRESSES'],
                 message=message,
                 ticket_type=NotifySupportTicket.TYPE_INCIDENT,
                 technical_ticket=True,
diff --git a/requirements-app.txt b/requirements-app.txt
index fb0245219..32efa05d5 100644
--- a/requirements-app.txt
+++ b/requirements-app.txt
@@ -36,7 +36,7 @@ notifications-python-client==6.0.2
 # PaaS
 awscli-cwlogs==1.4.6
 
-git+https://github.com/alphagov/notifications-utils.git@46.1.0#egg=notifications-utils==46.1.0
+git+https://github.com/alphagov/notifications-utils.git@47.1.0#egg=notifications-utils==47.1.0
 
 # gds-metrics requires prometheseus 0.2.0, override that requirement as 0.7.1 brings significant performance gains
 prometheus-client==0.10.1
diff --git a/requirements.txt b/requirements.txt
index 21ae56eb8..7514b7f7e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -38,7 +38,7 @@ notifications-python-client==6.0.2
 # PaaS
 awscli-cwlogs==1.4.6
 
-git+https://github.com/alphagov/notifications-utils.git@46.1.0#egg=notifications-utils==46.1.0
+git+https://github.com/alphagov/notifications-utils.git@47.1.0#egg=notifications-utils==47.1.0
 
 # gds-metrics requires prometheseus 0.2.0, override that requirement as 0.7.1 brings significant performance gains
 prometheus-client==0.10.1
@@ -52,7 +52,7 @@ attrs==21.2.0
 awscli==1.21.4
 bcrypt==3.2.0
 billiard==3.3.0.23
-bleach==3.3.0
+bleach==4.1.0
 blinker==1.4
 boto==2.49.0
 boto3==1.19.4
diff --git a/tests/app/celery/test_nightly_tasks.py b/tests/app/celery/test_nightly_tasks.py
index b65546907..8813b92fd 100644
--- a/tests/app/celery/test_nightly_tasks.py
+++ b/tests/app/celery/test_nightly_tasks.py
@@ -250,6 +250,7 @@ def test_create_ticket_if_letter_notifications_still_sending(notify_api, mocker)
     mock_create_ticket.assert_called_once_with(
         ANY,
         subject='[test] Letters still sending',
+        email_ccs=current_app.config['DVLA_EMAIL_ADDRESSES'],
         message=(
             "There are 1 letters in the 'sending' state from Monday 15 January. Resolve using "
             "https://github.com/alphagov/notifications-manuals/wiki/Support-Runbook#deal-with-letters-still-in-sending"