Composer error: SSL certificate problem: certificate has expired

Composer error: SSL certificate problem: certificate has expired

curl error 60 while downloading https://composer.amasty.com/enterprise/packages/module-page-speed-tools-1.0.4-ee.zip: 
SSL certificate problem: certificate has expired

This error appears due to an outdated or not supported SSL certificate. The solution for this issue is to install or update the SSL certificate. More information on this case can be found here