diff --git a/defaults/openstack/init.yml b/defaults/openstack/init.yml
index d80c7d0..aa39c0d 100644
--- a/defaults/openstack/init.yml
+++ b/defaults/openstack/init.yml
@@ -18,3 +18,6 @@
     # Glance
     glance_memcache_security_enabled: ${_param:openstack_memcache_security_enabled}
     glance_memcache_secret_key: ''
+    # Heat
+    heat_memcache_security_enabled: ${_param:openstack_memcache_security_enabled}
+    heat_memcache_secret_key: ''