SEC_ERROR_OCSP_SERVER_ERROR

Hi

I am trying to open https://addons.mozilla.org/ but I am getting the error below. Does anyone know a proper solution? I am on Debian Testing.

Secure Connection Failed

An error occurred during a connection to addons.mozilla.org. The OCSP server experienced an internal error. Error code: SEC_ERROR_OCSP_SERVER_ERROR

The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.
Please contact the website owners to inform them of this problem.