Stefan Reichör schreef op zo 17-04-2022 om 23:29 [+0200]: > +    (source > +     (origin > +       (method url-fetch) > +       (uri (pypi-uri "servefile" version)) > +       (sha256 > +        (base32 > +         "1ywi9yzc2l24nxfb2mvmkha7qfaapjvqchd6rhjbc54ijwrdq9m1")))) It uses TLSv1_2_METHOD which apparently is deprecated (https://stackoverflow.com/questions/58143753/why-can-i-not-found-tlsv1-3-client-method-when-programming-with-openssl), for TLS 1.3 support something else needs to be done here. Given the potential security impact, I think it's important here to do the non-deprecated thing. Greetings, Maxime