diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index fa92b9dbe..b98a01425 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -1,9 +1,9 @@
 If you would like to contribute to the development of OpenStack,
 you must follow the steps documented at:
 
-   http://docs.openstack.org/infra/manual/developers.html
+   https://docs.openstack.org/infra/manual/developers.html
 
 More information on contributing can be found within the project
 documentation:
 
-   http://docs.openstack.org/developer/python-ironicclient/contributing.html
+   https://docs.openstack.org/python-ironicclient/latest/contributor/contributing.html