diff --git a/content/opt/rundeck-defaults/rundeck-config.properties b/content/opt/rundeck-defaults/rundeck-config.properties
index a7d1e0b..df5e6e6 100644
--- a/content/opt/rundeck-defaults/rundeck-config.properties
+++ b/content/opt/rundeck-defaults/rundeck-config.properties
@@ -12,5 +12,8 @@ dataSource.url = jdbc:mysql://localhost/rundeckdb?autoReconnect=true
 dataSource.username = rundeck
 dataSource.password = rundeck
 
+# https://docs.rundeck.com/docs/upgrading/upgrading-to-rundeck-3.4.html#db-migration
+grails.plugin.databasemigration.updateOnStart=true
+
 #log4j
 rundeck.log4j.config.file = /etc/rundeck/log4j.properties