rejigger
From Longman Business Dictionaryrejiggerre‧jig‧ger /riːˈdʒɪgə-ər/ American English, rejig /riːˈdʒɪg/ British English verb (rejigged, rejigging) [transitive] informal to change something to make it more effectiveWe rejiggered the accounting system so that the value of equipment is updated automatically.→ See Verb table