diff --git a/doc/source/contributor/contributing.rst b/doc/source/contributor/contributing.rst
index 693ece0e82..1ba468ec89 100644
--- a/doc/source/contributor/contributing.rst
+++ b/doc/source/contributor/contributing.rst
@@ -36,7 +36,7 @@ Second, you'll need to take care of a couple administrative tasks:
 
 Whew! Got all that? Okay! You're good to go.
 
-.. _`OpenStack Contributor License Agreement`: http://wiki.openstack.org/CLA
+.. _`OpenStack Contributor License Agreement`: https://wiki.openstack.org/CLA
 .. _`Horizon Developers`: https://launchpad.net/~horizon
 .. _`instructions for setting up git-review`: https://docs.openstack.org/infra/manual/developers.html#development-workflow
 
@@ -475,8 +475,8 @@ To make a new release of the package, you need to:
 .. _documentation: http://xstatic.rtfd.org/en/latest/packaging.html
 .. _xstatic-release: https://pypi.org/project/xstatic-release/
 .. _`Create a new repository under OpenStack`: https://docs.openstack.org/infra/manual/creators.html
-.. _`request a release`: http://git.openstack.org/cgit/openstack/releases/tree/README.rst
-.. _`releases repository`: http://git.openstack.org/cgit/openstack/releases
+.. _`request a release`: https://git.openstack.org/cgit/openstack/releases/tree/README.rst
+.. _`releases repository`: https://git.openstack.org/cgit/openstack/releases
 .. _`Set up PyPi`: https://docs.openstack.org/infra/manual/creators.html#give-openstack-permission-to-publish-releases
 .. _global-requirements: https://github.com/openstack/requirements/blob/master/global-requirements.txt
 
diff --git a/doc/source/install/from-source.rst b/doc/source/install/from-source.rst
index 8d3b2e6ddb..012b032582 100644
--- a/doc/source/install/from-source.rst
+++ b/doc/source/install/from-source.rst
@@ -29,7 +29,7 @@ Installation
 
    .. code-block:: console
 
-     $ sudo pip install -c http://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt?h=stable/<release> .
+     $ sudo pip install -c https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt?h=stable/<release> .
 
 Configuration
 =============
@@ -185,7 +185,7 @@ Deployment
    For apache2 web server, you may need to create
    ``/etc/apache2/sites-available/horizon.conf``.
    The template in DevStack is a good example of the file.
-   http://git.openstack.org/cgit/openstack-dev/devstack/tree/files/apache-horizon.template
+   https://git.openstack.org/cgit/openstack-dev/devstack/tree/files/apache-horizon.template
    Or you can automatically generate an apache configuration file. If you
    previously generated an ``openstack_dashboard/horizon_wsgi.py`` file it will
    use that, otherwise will default to using ``openstack_dashboard/wsgi.py``
diff --git a/releasenotes/notes/deprecate-lbaas-v1-dashboard-1f9c48d7c6997b1f.yaml b/releasenotes/notes/deprecate-lbaas-v1-dashboard-1f9c48d7c6997b1f.yaml
index 32bb753895..54a17c1593 100644
--- a/releasenotes/notes/deprecate-lbaas-v1-dashboard-1f9c48d7c6997b1f.yaml
+++ b/releasenotes/notes/deprecate-lbaas-v1-dashboard-1f9c48d7c6997b1f.yaml
@@ -6,4 +6,4 @@ deprecations:
     so that operators can upgrade Horizon first.
     Note that the Dashboard support for LBaaS v2 is provided as
     a Horizon plugin via `neutron-lbaas-dashboard project
-    <http://git.openstack.org/cgit/openstack/neutron-lbaas-dashboard/>`__.
+    <https://git.openstack.org/cgit/openstack/neutron-lbaas-dashboard/>`__.
diff --git a/releasenotes/notes/drop-LBaaS-v1-dashboard-d767b0bde5274af5.yaml b/releasenotes/notes/drop-LBaaS-v1-dashboard-d767b0bde5274af5.yaml
index 9cf7313d3d..f9f7d17196 100644
--- a/releasenotes/notes/drop-LBaaS-v1-dashboard-d767b0bde5274af5.yaml
+++ b/releasenotes/notes/drop-LBaaS-v1-dashboard-d767b0bde5274af5.yaml
@@ -6,4 +6,4 @@ upgrade:
     Newton release so that operators can upgrade Horizon first.
     Note that the Dashboard support for LBaaS v2 is provided as
     a Horizon plugin via `neutron-lbaas-dashboard project
-    <http://git.openstack.org/cgit/openstack/neutron-lbaas-dashboard/>`__.
+    <https://git.openstack.org/cgit/openstack/neutron-lbaas-dashboard/>`__.
diff --git a/releasenotes/notes/vpnaas-panel-splitout-5783df1675bc984f.yaml b/releasenotes/notes/vpnaas-panel-splitout-5783df1675bc984f.yaml
index 44a13c585e..199d74cfbf 100644
--- a/releasenotes/notes/vpnaas-panel-splitout-5783df1675bc984f.yaml
+++ b/releasenotes/notes/vpnaas-panel-splitout-5783df1675bc984f.yaml
@@ -8,4 +8,4 @@ upgrade:
     To continue to use VPNaaS dashboard, install ``neutron-vpnaas-dashboard``
     and set up the horizon plugin configuration file in ``enabled`` directory.
     For more information, see ``neutron-vpnaas-dashboard`` documentation
-    http://git.openstack.org/cgit/openstack/neutron-vpnaas-dashboard/tree/doc/source
+    https://git.openstack.org/cgit/openstack/neutron-vpnaas-dashboard/tree/doc/source
diff --git a/releasenotes/source/folsom.rst b/releasenotes/source/folsom.rst
index 823e27a18b..0d0cad7ba0 100644
--- a/releasenotes/source/folsom.rst
+++ b/releasenotes/source/folsom.rst
@@ -65,7 +65,7 @@ Community
 
 .. _creating a dashboard: https://docs.openstack.org/horizon/latest/contributor/tutorials/dashboard.html#creating-a-dashboard
 .. _creating a panel: https://docs.openstack.org/horizon/latest/contributor/tutorials/dashboard.html#creating-a-panel
-.. _thorough set of documentation: http://wiki.openstack.org/Translations
+.. _thorough set of documentation: https://wiki.openstack.org/Translations
 
 Under The Hood
 --------------