Please replace `http:` by `https:` in sources where appropriate. For example here https://github.com/Suor/funcy/blob/70fb6e8b0d1d2d5a78f2a66e80a98d691366cc85/setup.py#L17 https://github.com/Suor/funcy/blob/70fb6e8b0d1d2d5a78f2a66e80a98d691366cc85/docs/conf.py#L39 https://github.com/Suor/funcy/blob/70fb6e8b0d1d2d5a78f2a66e80a98d691366cc85/README.rst#L7