diff --git a/config.yaml b/config.yaml
index 9e9465d2..67adf593 100644
--- a/config.yaml
+++ b/config.yaml
@@ -102,6 +102,10 @@ options:
     type: int
     default: 3600
     description: Amount of time (in seconds) a token should remain valid.
+  catalog-cache-expiration:
+    type: int
+    default: 60
+    description: Amount of time (in seconds) the catalog should be cached for.
   fernet-max-active-keys:
     type: int
     default: 3
diff --git a/hooks/keystone_context.py b/hooks/keystone_context.py
index 71d385bf..61d1c653 100644
--- a/hooks/keystone_context.py
+++ b/hooks/keystone_context.py
@@ -201,6 +201,7 @@ class KeystoneContext(context.OSContextGenerator):
         ctxt['debug'] = config('debug')
         ctxt['verbose'] = config('verbose')
         ctxt['token_expiration'] = config('token-expiration')
+        ctxt['catalog_cache_expiration'] = config('catalog-cache-expiration')
 
         ctxt['identity_backend'] = config('identity-backend')
         ctxt['assignment_backend'] = config('assignment-backend')
diff --git a/hooks/keystone_utils.py b/hooks/keystone_utils.py
index 002cf78c..a975cd88 100644
--- a/hooks/keystone_utils.py
+++ b/hooks/keystone_utils.py
@@ -2211,6 +2211,7 @@ def send_id_service_notifications(data):
             relation_set(
                 relation_id=rid,
                 relation_settings={
+                    'catalog_ttl': config('catalog-cache-expiration'),
                     'ep_changed': json.dumps(changed, sort_keys=True)})
 
 
diff --git a/templates/mitaka/keystone.conf b/templates/mitaka/keystone.conf
index f6b46ed5..d5e5489e 100644
--- a/templates/mitaka/keystone.conf
+++ b/templates/mitaka/keystone.conf
@@ -38,6 +38,7 @@ driver = sql
 [os_inherit]
 
 [catalog]
+cache_time = {{ catalog_cache_expiration }}
 driver = sql
 
 [endpoint_filter]
diff --git a/templates/ocata/keystone.conf b/templates/ocata/keystone.conf
index bef9e835..79134b99 100644
--- a/templates/ocata/keystone.conf
+++ b/templates/ocata/keystone.conf
@@ -38,6 +38,7 @@ driver = sql
 [os_inherit]
 
 [catalog]
+cache_time = {{ catalog_cache_expiration }}
 driver = sql
 
 [endpoint_filter]
diff --git a/templates/queens/keystone.conf b/templates/queens/keystone.conf
index 748178c3..8fe8e02e 100644
--- a/templates/queens/keystone.conf
+++ b/templates/queens/keystone.conf
@@ -38,6 +38,7 @@ driver = sql
 [os_inherit]
 
 [catalog]
+cache_time = {{ catalog_cache_expiration }}
 driver = sql
 
 [endpoint_filter]
diff --git a/templates/rocky/keystone.conf b/templates/rocky/keystone.conf
index 54651e20..82a5a65c 100644
--- a/templates/rocky/keystone.conf
+++ b/templates/rocky/keystone.conf
@@ -36,6 +36,7 @@ driver = sql
 driver = sql
 
 [catalog]
+cache_time = {{ catalog_cache_expiration }}
 driver = sql
 
 [endpoint_filter]
diff --git a/unit_tests/test_keystone_utils.py b/unit_tests/test_keystone_utils.py
index 6a6005bf..c048ea65 100644
--- a/unit_tests/test_keystone_utils.py
+++ b/unit_tests/test_keystone_utils.py
@@ -924,6 +924,7 @@ class TestKeystoneUtils(CharmTestCase):
             call(
                 relation_id='identity-service:1',
                 relation_settings={
+                    'catalog_ttl': 60,
                     'ep_changed':
                         ('{"neutron": {"internal": '
                          '"http://neutron.demo.com:9696"}}')
@@ -932,6 +933,7 @@ class TestKeystoneUtils(CharmTestCase):
             call(
                 relation_id='identity-service:2',
                 relation_settings={
+                    'catalog_ttl': 60,
                     'ep_changed':
                         ('{"neutron": {"internal": '
                          '"http://neutron.demo.com:9696"},'
@@ -948,6 +950,7 @@ class TestKeystoneUtils(CharmTestCase):
             call(
                 relation_id='identity-service:1',
                 relation_settings={
+                    'catalog_ttl': 60,
                     'ep_changed':
                         '{"neutron": {"internal": "http://demo.com"}}'
                 }
@@ -955,6 +958,7 @@ class TestKeystoneUtils(CharmTestCase):
             call(
                 relation_id='identity-service:2',
                 relation_settings={
+                    'catalog_ttl': 60,
                     'ep_changed':
                         '{"neutron": {"internal": "http://demo.com"}}'
                 }
@@ -973,6 +977,7 @@ class TestKeystoneUtils(CharmTestCase):
             call(
                 relation_id='identity-service:1',
                 relation_settings={
+                    'catalog_ttl': 60,
                     'ep_changed':
                         '{"neutron": {"internal": "http://demo.com"}}'
                 }
@@ -980,6 +985,7 @@ class TestKeystoneUtils(CharmTestCase):
             call(
                 relation_id='identity-service:2',
                 relation_settings={
+                    'catalog_ttl': 60,
                     'ep_changed': (
                         '{"neutron": {"internal": "http://demo.com"}, '
                         '"placement": {"internal": "http://demo.com"}}'