diff --git a/app/__init__.py b/app/__init__.py
index c5a63bcf1..778be68b0 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -273,48 +273,34 @@ def register_blueprint(application):
 
 def register_v2_blueprints(application):
     from app.authentication.auth import requires_auth
-    from app.v2.broadcast.post_broadcast import (
-        v2_broadcast_blueprint as post_broadcast,
+    from app.v2.broadcast.post_broadcast import v2_broadcast_blueprint
+    from app.v2.inbound_sms.get_inbound_sms import v2_inbound_sms_blueprint
+    from app.v2.notifications import (  # noqa
+        get_notifications,
+        post_notifications,
+        v2_notification_blueprint,
     )
-    from app.v2.inbound_sms.get_inbound_sms import (
-        v2_inbound_sms_blueprint as get_inbound_sms,
-    )
-    from app.v2.notifications.get_notifications import (
-        v2_notification_blueprint as get_notifications,
-    )
-    from app.v2.notifications.post_notifications import (
-        v2_notification_blueprint as post_notifications,
-    )
-    from app.v2.template.get_template import (
-        v2_template_blueprint as get_template,
-    )
-    from app.v2.template.post_template import (
-        v2_template_blueprint as post_template,
-    )
-    from app.v2.templates.get_templates import (
-        v2_templates_blueprint as get_templates,
+    from app.v2.template import (  # noqa
+        get_template,
+        post_template,
+        v2_template_blueprint,
     )
+    from app.v2.templates.get_templates import v2_templates_blueprint
 
-    post_notifications.before_request(requires_auth)
-    application.register_blueprint(post_notifications)
+    v2_notification_blueprint.before_request(requires_auth)
+    application.register_blueprint(v2_notification_blueprint)
 
-    get_notifications.before_request(requires_auth)
-    application.register_blueprint(get_notifications)
+    v2_template_blueprint.before_request(requires_auth)
+    application.register_blueprint(v2_template_blueprint)
 
-    get_templates.before_request(requires_auth)
-    application.register_blueprint(get_templates)
+    v2_templates_blueprint.before_request(requires_auth)
+    application.register_blueprint(v2_templates_blueprint)
 
-    get_template.before_request(requires_auth)
-    application.register_blueprint(get_template)
+    v2_inbound_sms_blueprint.before_request(requires_auth)
+    application.register_blueprint(v2_inbound_sms_blueprint)
 
-    post_template.before_request(requires_auth)
-    application.register_blueprint(post_template)
-
-    get_inbound_sms.before_request(requires_auth)
-    application.register_blueprint(get_inbound_sms)
-
-    post_broadcast.before_request(requires_auth)
-    application.register_blueprint(post_broadcast)
+    v2_broadcast_blueprint.before_request(requires_auth)
+    application.register_blueprint(v2_broadcast_blueprint)
 
 
 def init_app(app):
diff --git a/app/v2/notifications/get_notifications.py b/app/v2/notifications/get_notifications.py
index e11b8abbe..bff31928c 100644
--- a/app/v2/notifications/get_notifications.py
+++ b/app/v2/notifications/get_notifications.py
@@ -55,7 +55,7 @@ def get_pdf_for_notification(notification_id):
     except Exception:
         raise PDFNotReadyError()
 
-    return send_file(filename_or_fp=BytesIO(pdf_data), mimetype='application/pdf')
+    return send_file(path_or_file=BytesIO(pdf_data), mimetype='application/pdf')
 
 
 @v2_notification_blueprint.route("", methods=['GET'])
diff --git a/requirements-app.txt b/requirements-app.txt
index c26bb5f8e..5630320f1 100644
--- a/requirements-app.txt
+++ b/requirements-app.txt
@@ -8,12 +8,12 @@ Flask-Bcrypt==0.7.1
 flask-marshmallow==0.14.0
 Flask-Migrate==2.7.0
 git+https://github.com/mitsuhiko/flask-sqlalchemy.git@500e732dd1b975a56ab06a46bd1a20a21e682262#egg=Flask-SQLAlchemy==2.3.2.dev20190108
-Flask==1.1.2
+Flask==2.0.1
 click-datetime==0.2
 eventlet==0.30.2 # pyup: ignore # 0.31 breaks Gunicorn
 gunicorn==20.1.0
 iso8601==0.1.14
-itsdangerous==1.1.0
+itsdangerous==2.0.1
 jsonschema==3.2.0
 marshmallow-sqlalchemy==0.23.1 # pyup: <0.24.0 # marshmallow v3 throws errors
 marshmallow==2.21.0 # pyup: <3 # v3 throws errors
@@ -34,7 +34,7 @@ notifications-python-client==6.0.2
 # PaaS
 awscli-cwlogs==1.4.6
 
-git+https://github.com/alphagov/notifications-utils.git@44.2.1#egg=notifications-utils==44.2.1
+git+https://github.com/alphagov/notifications-utils.git@44.2.2#egg=notifications-utils==44.2.2
 
 # 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 6a8057a6d..253f7bccb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,12 +10,12 @@ Flask-Bcrypt==0.7.1
 flask-marshmallow==0.14.0
 Flask-Migrate==2.7.0
 git+https://github.com/mitsuhiko/flask-sqlalchemy.git@500e732dd1b975a56ab06a46bd1a20a21e682262#egg=Flask-SQLAlchemy==2.3.2.dev20190108
-Flask==1.1.2
+Flask==2.0.1
 click-datetime==0.2
 eventlet==0.30.2 # pyup: ignore # 0.31 breaks Gunicorn
 gunicorn==20.1.0
 iso8601==0.1.14
-itsdangerous==1.1.0
+itsdangerous==2.0.1
 jsonschema==3.2.0
 marshmallow-sqlalchemy==0.23.1 # pyup: <0.24.0 # marshmallow v3 throws errors
 marshmallow==2.21.0 # pyup: <3 # v3 throws errors
@@ -36,30 +36,29 @@ notifications-python-client==6.0.2
 # PaaS
 awscli-cwlogs==1.4.6
 
-git+https://github.com/alphagov/notifications-utils.git@44.2.1#egg=notifications-utils==44.2.1
+git+https://github.com/alphagov/notifications-utils.git@44.2.2#egg=notifications-utils==44.2.2
 
 # gds-metrics requires prometheseus 0.2.0, override that requirement as 0.7.1 brings significant performance gains
 prometheus-client==0.10.1
 gds-metrics==0.2.4
 
 ## The following requirements were added by pip freeze:
-alembic==1.6.3
+alembic==1.6.4
 amqp==1.4.9
 anyjson==0.3.3
 attrs==21.2.0
-awscli==1.19.78
+awscli==1.19.82
 bcrypt==3.2.0
 billiard==3.3.0.23
 bleach==3.3.0
 blinker==1.4
 boto==2.49.0
-boto3==1.17.78
-botocore==1.20.78
+boto3==1.17.82
+botocore==1.20.82
 certifi==2020.12.5
 chardet==4.0.0
 click==8.0.1
 colorama==0.4.3
-dataclasses==0.8
 dnspython==1.16.0
 docutils==0.15.2
 flask-redis==0.4.0
@@ -67,7 +66,6 @@ geojson==2.5.0
 govuk-bank-holidays==0.8
 greenlet==1.1.0
 idna==2.10
-importlib-metadata==4.0.1
 Jinja2==3.0.1
 jmespath==0.10.0
 kombu==3.0.37
@@ -96,8 +94,6 @@ six==1.16.0
 smartypants==2.0.1
 soupsieve==2.2.1
 statsd==3.3.0
-typing-extensions==3.10.0.0
-urllib3==1.26.4
+urllib3==1.26.5
 webencodings==0.5.1
 Werkzeug==2.0.1
-zipp==3.4.1
diff --git a/requirements_for_test.txt b/requirements_for_test.txt
index 121491ccc..8d8505104 100644
--- a/requirements_for_test.txt
+++ b/requirements_for_test.txt
@@ -3,12 +3,12 @@ flake8==3.8.4
 flake8-bugbear==20.11.1
 isort==5.7.0
 moto==2.0.8
-pytest==6.1.2
+pytest==6.2.4
 pytest-env==0.6.2
-pytest-mock==3.3.1
-pytest-cov==2.10.1
-pytest-xdist==2.1.0
+pytest-mock==3.6.1
+pytest-cov==2.12.0
+pytest-xdist==2.2.1
 freezegun==1.1.0
-requests-mock==1.8.0
+requests-mock==1.9.2
 # used for creating manifest file locally
 jinja2-cli[yaml]==0.7.0
diff --git a/tests/app/v2/test_errors.py b/tests/app/v2/test_errors.py
index bdc5c73c7..7d1113157 100644
--- a/tests/app/v2/test_errors.py
+++ b/tests/app/v2/test_errors.py
@@ -128,7 +128,5 @@ def test_bad_method(app_for_test):
 
             assert response.status_code == 405
 
-            assert response.json == {
-                "result": "error",
-                "message": "The method is not allowed for the requested URL."
-            }
+            assert response.get_data(as_text=True) == \
+                   '{"message":"The method is not allowed for the requested URL.","result":"error"}\n'