diff --git a/elements/puppet-stack-config/puppet-stack-config.yaml.template b/elements/puppet-stack-config/puppet-stack-config.yaml.template
index 1608516ca..29ad64f65 100644
--- a/elements/puppet-stack-config/puppet-stack-config.yaml.template
+++ b/elements/puppet-stack-config/puppet-stack-config.yaml.template
@@ -229,6 +229,8 @@ keystone::notification_topics: notifications
 keystone::default_transport_url: "rabbit://{{UNDERCLOUD_RABBIT_USERNAME}}:{{UNDERCLOUD_RABBIT_PASSWORD}}@{{LOCAL_IP_WRAPPED}}//"
 keystone::enable_credential_setup: true
 keystone::fernet_max_active_keys: 2
+keystone::cache_memcache_servers: "%{hiera('memcached::listen_ip')}:11211"
+keystone::cache_backend: "dogpile.cache.memcached"
 
 # MySQL
 admin_password: {{UNDERCLOUD_ADMIN_PASSWORD}}