diff --git a/roles/lemonldap_ng/defaults/main.yml b/roles/lemonldap_ng/defaults/main.yml
index 3e570f4..6fbfe9d 100644
--- a/roles/lemonldap_ng/defaults/main.yml
+++ b/roles/lemonldap_ng/defaults/main.yml
@@ -69,3 +69,6 @@ llng_handler_db_user: lemonldapnghandler
 
 # Number of llng-fastcgi-server or uwsgi workers. The upstream default is 7 but you might need to adjust to your load
 llng_workers: 6
+
+# Sessions are cached locally for performance reasons. You can set the duration (in seconds) for which the cache will be considered valid
+llng_session_cache: 300