Hire date change for new hires

Summary

New hires already created and assigned specializations.

Content

A new hire is created with a hire date of 7/19/21 and assigned their specializations.  A couple of days go by and the hire date changes to 7/26/21.  We have an integration file that is sent from People Soft to Oracle Cloud.  The hire date change is not being updated in Oracle Cloud.  I have been updating the hire date changes manually.  When I do this, the assignment and due dates are not updating their specializations.  Is there something else that needs to be updated for the specialization dates to be updated?  The only way I have been able to