diff --git a/app/notify_client/__init__.py b/app/notify_client/__init__.py
index eb313d889..f2f1e922d 100644
--- a/app/notify_client/__init__.py
+++ b/app/notify_client/__init__.py
@@ -37,7 +37,7 @@ class NotifyAdminAPIClient(BaseAPIClient):
     def _add_request_id_header(headers):
         if not has_request_context():
             return headers
-        headers['NotifyRequestID'] = request.request_id
+        headers['X-B3-TraceId'] = request.request_id
         return headers
 
     def check_inactive_service(self):
diff --git a/requirements-app.txt b/requirements-app.txt
index bdccf422f..be2d6828b 100644
--- a/requirements-app.txt
+++ b/requirements-app.txt
@@ -21,4 +21,4 @@ notifications-python-client==5.0.0
 # PaaS
 awscli-cwlogs>=1.4,<1.5
 
-git+https://github.com/alphagov/notifications-utils.git@29.3.6#egg=notifications-utils==29.3.6
+git+https://github.com/alphagov/notifications-utils.git@30.0.0#egg=notifications-utils==30.0.0
diff --git a/requirements.txt b/requirements.txt
index c7e365fc4..29a4ca3d7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ notifications-python-client==5.0.0
 # PaaS
 awscli-cwlogs>=1.4,<1.5
 
-git+https://github.com/alphagov/notifications-utils.git@29.3.6#egg=notifications-utils==29.3.6
+git+https://github.com/alphagov/notifications-utils.git@30.0.0#egg=notifications-utils==30.0.0
 
 ## The following requirements were added by pip freeze:
 awscli==1.15.77
diff --git a/tests/app/notify_client/test_notify_admin_api_client.py b/tests/app/notify_client/test_notify_admin_api_client.py
index 9948af059..6b031a380 100644
--- a/tests/app/notify_client/test_notify_admin_api_client.py
+++ b/tests/app/notify_client/test_notify_admin_api_client.py
@@ -99,6 +99,6 @@ def test_generate_headers_sets_request_id_if_in_request_context(app_):
         headers = api_client.generate_headers('api_token')
 
     assert set(headers.keys()) == {
-        'Authorization', 'Content-type', 'User-agent', 'X-Custom-Forwarder', 'NotifyRequestID'
+        'Authorization', 'Content-type', 'User-agent', 'X-Custom-Forwarder', 'X-B3-TraceId'
     }
-    assert headers['NotifyRequestID'] == request_context.request.request_id
+    assert headers['X-B3-TraceId'] == request_context.request.request_id