diff --git a/Doc/using/unix.rst b/Doc/using/unix.rst
index 0044eb07f56..58838c28e6e 100644
--- a/Doc/using/unix.rst
+++ b/Doc/using/unix.rst
@@ -30,9 +30,9 @@ following links:
       for Debian users
    https://en.opensuse.org/Portal:Packaging
       for OpenSuse users
-   https://docs-old.fedoraproject.org/en-US/Fedora_Draft_Documentation/0.1/html/RPM_Guide/ch-creating-rpms.html
+   https://docs.fedoraproject.org/en-US/package-maintainers/Packaging_Tutorial_GNU_Hello/
       for Fedora users
-   http://www.slackbook.org/html/package-management-making-packages.html
+   https://slackbook.org/html/package-management-making-packages.html
       for Slackware users