diff --git a/contribute.json b/contribute.json
index 82a2ec5..2ebb134 100644
--- a/contribute.json
+++ b/contribute.json
@@ -8,7 +8,7 @@
     },
     "participate": {
         "home": "https://autocompeter.com",
-        "docs": "http://autocompeter.readthedocs.org/"
+        "docs": "https://autocompeter.readthedocs.io/"
     },
     "bugs": {
         "list": "https://github.com/peterbe/autocompeter/issues",
diff --git a/templates/index.tmpl b/templates/index.tmpl
index 0c6d148..3703c42 100644
--- a/templates/index.tmpl
+++ b/templates/index.tmpl
@@ -222,9 +222,9 @@ Autocompeter(
                       <li>You determine the sort order by setting a "popularity" number on each title</li>
                       <li>Can find "Pär is naïve" by typing in "par naive"</li>
                       <li>You can submit use
-                        <a href="http://autocompeter.readthedocs.org/en/latest/api/#about-the-groups-and-access-control-and-privacy">"groups"</a>
+                        <a href="https://autocompeter.readthedocs.io/en/latest/api/#about-the-groups-and-access-control-and-privacy">"groups"</a>
                         to differentiate content only certain users should see</li>
-                      <li><a href="http://autocompeter.readthedocs.org/en/latest/api/#bulk-upload">Bulk upload</a></li>
+                      <li><a href="https://autocompeter.readthedocs.io/en/latest/api/#bulk-upload">Bulk upload</a></li>
                     </ul>
                 </div>
             </div>