SSL Certificate for has expired

Product: PDFNet for Linux

Product Version:

Please give a brief summary of your issue:
We’re having issues installing the PDFNet for Linux due to issues with the SSL certificate having expired.

Please describe your issue and provide steps to reproduce it:
Try to browse to pdftron(dot)com website and you’ll receive the message about the certificate having expired.

Please provide a link to a minimal sample where the issue is reproducible: