diff --git a/app/notify_client/cache.py b/app/notify_client/cache.py
index 8bdd6e38c..85bcd54ab 100644
--- a/app/notify_client/cache.py
+++ b/app/notify_client/cache.py
@@ -4,7 +4,7 @@ from datetime import timedelta
 from functools import wraps
 from inspect import signature
 
-TTL = int(timedelta(hours=24).total_seconds())
+TTL = int(timedelta(days=7).total_seconds())
 
 
 def _get_argument(argument_name, client_method, args, kwargs):
diff --git a/tests/app/notify_client/test_service_api_client.py b/tests/app/notify_client/test_service_api_client.py
index ef4a9d318..77df78091 100644
--- a/tests/app/notify_client/test_service_api_client.py
+++ b/tests/app/notify_client/test_service_api_client.py
@@ -175,7 +175,7 @@ def test_client_returns_count_of_service_templates(
                 call(
                     'service-{}'.format(SERVICE_ONE_ID),
                     '{"data_from": "api"}',
-                    ex=86400
+                    ex=604800,
                 )
             ],
             {'data_from': 'api'},
@@ -205,7 +205,7 @@ def test_client_returns_count_of_service_templates(
                 call(
                     'template-{}-version-None'.format(FAKE_TEMPLATE_ID),
                     '{"data_from": "api"}',
-                    ex=86400
+                    ex=604800,
                 )
             ],
             {'data_from': 'api'},
@@ -235,7 +235,7 @@ def test_client_returns_count_of_service_templates(
                 call(
                     'template-{}-version-1'.format(FAKE_TEMPLATE_ID),
                     '{"data_from": "api"}',
-                    ex=86400
+                    ex=604800,
                 )
             ],
             {'data_from': 'api'},
@@ -265,7 +265,7 @@ def test_client_returns_count_of_service_templates(
                 call(
                     'service-{}-templates'.format(SERVICE_ONE_ID),
                     '{"data_from": "api"}',
-                    ex=86400
+                    ex=604800,
                 )
             ],
             {'data_from': 'api'},
@@ -295,7 +295,7 @@ def test_client_returns_count_of_service_templates(
                 call(
                     'template-{}-versions'.format(FAKE_TEMPLATE_ID),
                     '{"data_from": "api"}',
-                    ex=86400
+                    ex=604800,
                 )
             ],
             {'data_from': 'api'},
diff --git a/tests/app/notify_client/test_user_client.py b/tests/app/notify_client/test_user_client.py
index dc90413f7..9f5977f87 100644
--- a/tests/app/notify_client/test_user_client.py
+++ b/tests/app/notify_client/test_user_client.py
@@ -191,7 +191,7 @@ def test_client_converts_admin_permissions_to_db_permissions_on_add_to_service(a
                 call(
                     'user-{}'.format(user_id),
                     '{"data": "from api"}',
-                    ex=86400
+                    ex=604800
                 )
             ],
             'from api',