Concurrent Program download and upload using FNDLOAD

We have some utilities that we wrote to download and upload concurrent programs.  We use the FNDLOAD utility to accomplish this.  I just had the occasion to change a valueset for one of the parameters validation.  When I download the concurrent program definition, it contained the new value set, the parameter flexfield and of course the concurrent program definition.  

What I found during the upload was that the new value set was uploaded but the flexfield and the concurrent program changes were not uploaded.  What I found was that last_update_date for the DESC_FLEX section is taken from the FND_DESCRIPTIVE_FLEXS table.  Unfortunately, even though the DFF_SEGMENT section contains the last_update_date with the date of change for the parameter with the new value set specified, nothing is uploaded because the last_update_date in the DESC_FLEX is the same that is in the database.  The only way the new parameter definition with the new value set will be loaded is if the last_update_date in the DESC_FLEX