diff --git a/doc/source/contributor/contributing.rst b/doc/source/contributor/contributing.rst
index 03d7dc7..d260127 100644
--- a/doc/source/contributor/contributing.rst
+++ b/doc/source/contributor/contributing.rst
@@ -13,7 +13,7 @@ Communication
 ~~~~~~~~~~~~~
 * IRC channel #openstack-venus at OFTC
 * Mailing list (prefix subjects with ``[venus]`` for faster responses)
-  http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-discuss
+  https://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-discuss
 
 Contacting the Core Team
 ~~~~~~~~~~~~~~~~~~~~~~~~