diff --git a/doc/source/contributor/metrics.rst b/doc/source/contributor/metrics.rst
index 8d960dcb5..5ff3841d1 100644
--- a/doc/source/contributor/metrics.rst
+++ b/doc/source/contributor/metrics.rst
@@ -50,4 +50,4 @@ ship them using the provided metrics library. For example::
 References
 ==========
 For more information, please read the source of the metrics module in
-`ironic-lib <http://git.openstack.org/cgit/openstack/ironic-lib/tree/ironic_lib>`_.
+`ironic-lib <https://git.openstack.org/cgit/openstack/ironic-lib/tree/ironic_lib>`_.