diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index bcf8301..4218138 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -15,7 +15,7 @@
 
 Before you start contributing take a look at the `Openstack Developers Guide`_.
 
-.. _`Openstack Developers Guide`: http://docs.openstack.org/infra/manual/developers.html
+.. _`Openstack Developers Guide`: https://docs.openstack.org/infra/manual/developers.html
 
 Freenode IRC (Chat)
 -------------------
@@ -56,7 +56,7 @@
 the OpenStack Gerrit review system, please review the `Gerrit Workflow`_
 wiki documentation.
 
-.. _`Gerrit Workflow`: http://docs.openstack.org/infra/manual/developers.html#development-workflow
+.. _`Gerrit Workflow`: https://docs.openstack.org/infra/manual/developers.html#development-workflow
 
 .. note::
 
diff --git a/HACKING.rst b/HACKING.rst
index e3bb269..613369c 100644
--- a/HACKING.rst
+++ b/HACKING.rst
@@ -2,7 +2,7 @@
 ===============================================
 
 - Step 1: Read the OpenStack Style Commandments
-  http://docs.openstack.org/developer/hacking/
+  https://docs.openstack.org/developer/hacking/
 - Step 2: Read on
 
 Castellan Specific Commandments
@@ -38,5 +38,5 @@
 command directly. Running ``testr run`` will run the entire test suite. ``testr
 run --parallel`` will run it in parallel (this is the default incantation tox
 uses.) More information about testr can be found at:
-http://wiki.openstack.org/testr
+https://wiki.openstack.org/testr
 
diff --git a/README.rst b/README.rst
index f25ecf6..f3aaf5d 100644
--- a/README.rst
+++ b/README.rst
@@ -2,8 +2,8 @@
 Team and repository tags
 ========================
 
-.. image:: http://governance.openstack.org/badges/castellan.svg
-    :target: http://governance.openstack.org/reference/tags/index.html
+.. image:: https://governance.openstack.org/badges/castellan.svg
+    :target: https://governance.openstack.org/reference/tags/index.html
 
 .. Change things from this point on
 
@@ -14,6 +14,6 @@
 Generic Key Manager interface for OpenStack.
 
 * License: Apache License, Version 2.0
-* Documentation: http://docs.openstack.org/developer/castellan
-* Source: http://git.openstack.org/cgit/openstack/castellan
-* Bugs: http://bugs.launchpad.net/castellan
+* Documentation: https://docs.openstack.org/developer/castellan
+* Source: https://git.openstack.org/cgit/openstack/castellan
+* Bugs: https://bugs.launchpad.net/castellan
diff --git a/castellan/i18n.py b/castellan/i18n.py
index f2aae30..83aed17 100644
--- a/castellan/i18n.py
+++ b/castellan/i18n.py
@@ -14,7 +14,7 @@
 
 """oslo.i18n integration module.
 
-See http://docs.openstack.org/developer/oslo.i18n/usage.html .
+See https://docs.openstack.org/developer/oslo.i18n/usage.html .
 
 """
 
diff --git a/doc/source/conf.py b/doc/source/conf.py
index 0d1161b..ca88ab8 100755
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -71,4 +71,4 @@
 ]
 
 # Example configuration for intersphinx: refer to the Python standard library.
-#intersphinx_mapping = {'http://docs.python.org/': None}
+#intersphinx_mapping = {'https://docs.python.org/3/': None}
diff --git a/doc/source/testing.rst b/doc/source/testing.rst
index 2abd073..0d2c02f 100644
--- a/doc/source/testing.rst
+++ b/doc/source/testing.rst
@@ -44,8 +44,8 @@
 information on this please see `Setting up a Barbican development environment`_
 and `Using Keystone Middleware with Barbican`_
 
-.. _`Setting up a Barbican development environment`: http://docs.openstack.org/developer/barbican/setup/dev.html
-.. _`Using Keystone Middleware with Barbican`: http://docs.openstack.org/developer/barbican/setup/keystone.html
+.. _`Setting up a Barbican development environment`: https://docs.openstack.org/developer/barbican/setup/dev.html
+.. _`Using Keystone Middleware with Barbican`: https://docs.openstack.org/developer/barbican/setup/keystone.html
 
 Castellan uses either ``/etc/castellan/castellan-functional.conf`` or ``./etc/castellan/castellan-functional.conf``
 in order to run functional tests. A sample file can be generated by running:
diff --git a/doc/source/usage.rst b/doc/source/usage.rst
index 9f1e709..101e89f 100644
--- a/doc/source/usage.rst
+++ b/doc/source/usage.rst
@@ -320,4 +320,4 @@
         castellan.config = castellan.options:list_opts
 
 For more information on the oslo configuration generator, please see
-http://docs.openstack.org/developer/oslo.config/generator.html
+https://docs.openstack.org/developer/oslo.config/generator.html
diff --git a/setup.cfg b/setup.cfg
index ea3b7d8..270a598 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -5,7 +5,7 @@
     README.rst
 author = OpenStack
 author-email = openstack-dev@lists.openstack.org
-home-page = http://docs.openstack.org/developer/castellan/
+home-page = https://docs.openstack.org/developer/castellan/
 classifier =
     Environment :: OpenStack
     Intended Audience :: Information Technology