Upgrading Zend Framework In Subversion

• cd library
• svn up
• svn propedit svn:externals .
• Change the URL of the Zend Framework version to which you want to upgrade. Example, Zend http://framework.zend.com/svn/framework/standard/tags/release-1.9.7/library/Zend
• Save the file and quite the editor
• svn up
• svn commit -m “changed ZF version to x.xx”