diff --git a/requirements.txt b/requirements.txt
index 238007710..a16b10d46 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,6 +26,6 @@ notifications-python-client==4.6.0
 awscli>=1.11,<1.12
 awscli-cwlogs>=1.4,<1.5
 
-git+https://github.com/alphagov/notifications-utils.git@22.0.0#egg=notifications-utils==20.0.0
+git+https://github.com/alphagov/notifications-utils.git@22.0.0#egg=notifications-utils==22.0.0
 
 git+https://github.com/alphagov/boto.git@2.43.0-patch3#egg=boto==2.43.0-patch3
diff --git a/tests/app/authentication/test_authentication.py b/tests/app/authentication/test_authentication.py
index 230f4254b..2c25db217 100644
--- a/tests/app/authentication/test_authentication.py
+++ b/tests/app/authentication/test_authentication.py
@@ -386,7 +386,7 @@ def test_route_correct_secret_key(notify_api, client):
         response = client.get(
             path='/_status',
             headers=[
-                ('X-Custom-forwarder', 'key_1'),
+                ('X-Custom-Forwarder', 'key_1'),
             ]
         )
         assert response.status_code == 200
@@ -402,7 +402,7 @@ def test_route_incorrect_secret_key(notify_api, client):
         response = client.get(
             path='/_status',
             headers=[
-                ('X-Custom-forwarder', 'wrong_key'),
+                ('X-Custom-Forwarder', 'wrong_key'),
             ]
         )
         assert response.status_code == 403