Changing SQL Server Version after creating New project in SSMA for Oracle tool

Hi All, When we create New project , we need to select to what version of SQL server we want to migrate to. Suppose I select the Migrate To: SQL Server 2014 version and hit Ok. but later on you want to change the Migrate To : SQL Server 2016 , is there any option in same project ? or do I need to create new project only?

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Thanks -NK